一．口算题（共50小题）1．直接写出下面各题的得数．4.8÷0.8=7.5﹣4.5=0.75÷15=3.5×0.4=10÷0.01=10﹣
2.05=0.6×1.5=4÷0.25=1.36+2.87+3.64=1.8×0.4×0.25=2．直接写出得数．2.1÷0.7
=2÷5=1÷0.2=7÷8=5.3÷0.53=0.1÷0.01=0.25×40=6.5﹣5.6=1.26÷0.6=0.54÷6=
3．直接写得数30.2÷2=0.01÷0.5=0.72÷8=4.8÷0.06=6.4+3.6=1÷3=10﹣1.55=1.25×
8=4．口算．0.9÷0.03=7.2﹣2=0.05×2=0.74×11=0.25×4÷0.25×4=3.1÷3.1=1.32﹣
1.32+8=7.2÷40=6.25﹣0.87+0.13=0.4×2.7×25=5．直接写得数．6.3÷0.3=1.8×
0.5=25.1+4.9=2.5×0.5×4=6.直接写出得数．6.4÷0.2=0.9﹣0.89=1
.07+8.3=3.6÷10=100×1.5=8.1+9=4.5×0.2=11﹣3.9=7．直接写得数．5.6÷0.8=6.82
﹣5.2=2.5×0.04=1﹣0.5+0.5=9.15÷0.3=17.2÷0.86=1.8÷0.1=12.5×0.8×0=8．直
接写得数1.4×100=2.80÷10=2.4÷100=0.33×1000=90÷6=0.025×100=90÷100=0.32+
1.98=14.3+5.7=9×99+9=9．直接写得数．10÷0.01=0.22+0.8=10﹣2.05=4÷0.25=0÷19
.8=0.2×0.05=1.36+3.64=0.4×0.25=10．直接写得数0.25÷0.5=0.32÷0.04=
1.25×4=1.6÷0.4=0.54÷6=5.6÷7=11．直接写得数．5.09÷1
0=12.5×0.8=0.5÷0.25=45.6÷1=32.1×0.2=0.25×6=0.4×0.5=0.54÷0.9=10.2÷
0.01=12.5×0.8=12．口算4÷5=1.8÷0.03=75÷2.5=0.2×25.4=3.6+4.4=10﹣5.2=3.
4×0.2=7.8÷6=13．直接写出得数3.6÷0.3=6.3÷7=5.6×100=0.25×4=0.56÷28=36÷0.9
=0.64+0.8=0.72×3=1.2×20=7÷5=6.12÷0.5=2.9÷5÷0.2=14．口算3.4÷2=2.7÷0.3
=0.42÷6=4.12×2=6.3÷0.9=1.53+2.4=4.8×0.5=6.4÷80=40×0.41=30.9×9=10×
4.1=4.6÷0.5=15．直接写得数．0.25÷5=0.72÷0.9=3.145×100=7.2÷3.6=1÷50=12.4÷
4.1=0.01+0.99=7.6÷7.6=1.25×4=50﹣0÷2.5=16．直接写得数0.35÷5=0.3×2=0.3÷0.
2=0.7×0.9=0÷7÷3=2.4×5=4.9×0=2×0.45×5=17．口算我最棒．0.64÷1.6=1.4×0.5=0.
72÷0.9=10.9﹣8.9=2.7+7.2=0÷1.5=2.7×0.3=24÷0.3=4.3+2.7=200×0.07=0.2
5×4.9=4÷0.8=18．直接写得数0.8÷10=25+8=187÷1000=0÷58=237﹣9=257+0=0×0.008
=0.001×100=6.0805×1000=24×5=19．直接写得数．0.63÷9=5.4÷1.45=0×4.65=3.5÷0
.7=1÷0.25=4×0.5=0.1÷0.05=3.3÷0.1=2.7÷0.90.36÷0.12=0.14÷2=9.6÷6=20
．直接写得数．8.4÷4=3.6÷0.2=0.72÷90=1.1×0.8=0.56+4.44=1.25×5×8=2.9+3.7+2
.1=7.6×8+2.4×8=0.4×0.25=21．请你直接写出得数4.8÷0.8=7.5﹣0.45=5.7+3.3=1÷0.2
5=6.2÷0.62﹣1=0.75÷1.5=0.2÷4=0.21×4=1.2×60=5+3.2÷0.8=22．直接写出得数．0.7
2÷0.9=23.7+2.63=4.8÷0.4=0.5÷2=6.5﹣5.6=1÷0.25=8÷0.8=10÷4=0.4×0.8=0
.48÷0.8=0.35×4=0.3÷0.15=23．直接写出得数1.2÷0.4=2÷8=4÷0.5=0.72÷4=0÷5.32=
3.6+1.8=1﹣0.73=0.24÷0.6=6.4÷1.6=0.125×80=0.5×0.8=13.2÷0.6=24．直接写得
数．2.5÷0.5=0.42÷0.6=3.5÷0.01=0.54÷0.6=0.8﹣0.35=0.25×4=12.5×0.8=0.
2×50=0÷3.68=0.3×0.2=25．直接写出得数．0.56÷0.7=0.6+0.65=3.9÷1.3=12÷0.03=5
.2÷0.13=99×1.01=13.5﹣2.8﹣7.2=25×0.32×125=26．口算3.6÷1.2=8.1÷9=4.8÷
0.6=1.25×8=99÷0.9=25÷0.05=88÷0.008=1÷2.5=27．直接写得数．0.64÷0.32=0.7×1
.2=7.2÷（0.8×9）=40×0.25=0÷4.8=2.9÷2.9=0.3×0.6=0.07×50=100×0.07=22.
1×1=28．口算0.02×0.1=12﹣4.3=36÷0.01=0.8×0.125=
2.3+0.8=0.36÷0.4÷9=29．口算．3.6÷1.2=4.4÷4=4.8÷
0.4=1÷0.25=30．直接写得数．6.4÷8=9.8÷0.14=4.8÷16=0.63÷9=8.7÷29=0.
99÷9.9=5.5÷0.11=13.8÷6.9=31．直接写出得数．0.56÷8=0.07×10=3﹣1.9=1.2×0.1=5
1÷0.3=4.3+15.37=2.9×10.02≈12.1÷3.9≈6÷0.58≈32．直接写出得数．3.6÷3=7.8÷6=
9.9÷9=56.7÷7=4.8÷4=3.9÷13=3.6÷12=8.1÷27=0.04÷2=0.88÷4=1.25÷5=7.5÷
0.05=33．口算1÷0.25=0.78÷6=2.4÷24=6.6÷0.6=5÷0.5=34÷0.2=0.8×7=8×0.6=7
0×0.12=34．直接算出得数．2.1÷2=3.8+1.02=7.5×0.4=2x﹣0.7x=10÷8=0.8×0.6=3.2×
0.5=9.6÷0.06=3.57÷0.7=4.5+0.76=35．直接写出得数．22.4÷4=0.25×4=0.21÷7=5.6
÷7=1.2×5=42÷3=6.12÷0.6=0.54÷6=38.5÷5=24÷0.8=36．直接写出得数．1.6÷0.4=7.2
÷8=4.2÷0.01=2﹣3.6÷1.8=4÷5=4.6÷0.46=5.4÷1.8=0÷21.3=37．口算1.2÷3=0.48
÷6=4.6÷23=6.8÷4=0.72÷12=0.72÷4=9.6÷6=5.2÷13=12.5÷5=0.12÷5=38．直接写得
数．56÷100=1.29﹣0.29=0.56×100=5.35+2.5=0.625×100=5﹣2.1=359+402=18.
6﹣7=8.07×10=3.5+0.9=1.2+0.08=4×（25×14）=7.34×0=3.31+1.2=25×4÷25×4=
0.25+0.2+0.75=39．口算0.42÷0.6=5×0.6=2.4÷0.24=1.25×2.3×8=7.8+1.2=10÷
0.1=0.1×0.1=2.5﹣2.5×0.4=40．直接写出得数．10﹣9.9=0.67+0.3=8.9×100=2.5×4=8
÷16=0.9×60=1.04÷2=9.1÷7=1.5×8=0.39÷39=0.25÷8=0.05×300=0.45÷9=7.2÷
9=0×5.8=4×8×0.25=41．口算．2.4÷2=48÷0.6=0.24÷0.2=4.8÷6=2.4÷0.2=4.8÷0.
6=9.6÷0.3=96÷3=42．直接写出得数16÷5=22÷4=48÷100=12.6÷3=6.06÷6=35÷70=95÷
5=1.3×4=12.6÷0.6=1.8÷6=43．直接写的数0.75÷0.5=1.6÷0.4=7÷3.5=16.8÷0.4=2.
8÷0.28=0.5÷0.25=44．口算下面各题．5.74÷10=4.2÷0.07=0.16×4=0.4÷0.8=1.2×5=0
.64÷2=0.56÷0.7=0.6+0.65=3.9÷1.3=45．计算．12.8÷4=31.5÷5=39.6÷4=97.8÷6
=11.7÷3=29.4÷2=83.5÷5=95.2÷4=67.8÷2=46．口算：0.96÷8=0.08÷0.01=0.2÷0.
05=0.36÷0.18=5.1÷1.7=0.54÷0.6=4.8÷0.24=10﹣0.92=0.9÷45=2.5×4÷2.5×4
=47．直接写出得数．2.5×4=10÷0.1=2.8÷0.4=4.5÷0.15=7.2÷0.9=1.5×6=15÷0.5=5÷2
=1.2÷0.03=1.3×3=48．直接写出得数．0.3+5.7=1﹣0.6=3.3+5.6=0.25+5.75=5.3+50.
7=0.4﹣0.35=1﹣0.04=8+50.28=0.9﹣0.7=10﹣9.9=8.6×100=148.3÷100=49．直接写
出得数．3.6÷1.2=0.72÷0.9=2.6÷13=4.8÷0.4=4.4÷4=0.78÷6=7.2÷0.4=1÷0.25=
7.1×0.4=4.5÷0.15=1﹣0.07=0.42÷0.7=50．直接写得数0.29÷100=5÷1000=19+0÷19=
423﹣（100+23）=170×100=320÷100=90﹣26﹣13=0.56×100÷1000=0.26×1000=24×
99+24=38﹣25+12﹣25=500÷100×1000=二．竖式计算（共50小题）1．竖式计算．0.51÷0.5=
98÷5.6=20.4÷1.7=验算：2．用竖式计算（★需验算，除不尽的保留两位小数）．1.092
÷0.42=★210÷1.4=8.9÷0.56≈3．列竖式计算．69.02÷3.426
.8×0.3546.8÷3.4（保留一位小数）4．列竖式计算．2.05÷25
0.13÷0.17（商精确到百分位）4.2÷0.284.2÷1.32（得数保留三位
小数）5．用竖式计算．117.3÷0.4624×0.3740.32÷l.68．6．竖式计算2.1÷0.7
=7÷0.35=7.2÷4=7．用竖式计算并验算．2.76×24=12.6÷0.
28=8．用竖式计算．220.5÷15=（用乘法验算）2.64×1.09=（得数保留两位小数）6.3÷0.125=
0.84×1.65=9．列竖式计算．（后两题得数保留两位小数）33.6÷568.96÷0.28
7.12÷0.224.13÷14．10．竖式计算．12.4÷4=45.9÷0.6=51÷0.3=52.8
÷12=75.6÷0.18=9.6÷0.32=11．用竖式计算13÷2.554.5÷0.16
0.68÷0.95（保留两位小数）2.05×0.16（验算）78.6÷11=（商用循环小数表示）6.21÷0.03．12．竖式
计算，带的要验算．1.25÷0.25=78.6÷11=（商用循环小数示）5.63÷7.8≈数保留两位小数）28.
28÷0.4=0.303÷5=13．列竖式计算（带★的保留两位小数）★1.57÷3.9★0.58×0.24
70.7÷33（商用循环小数表示）14．竖式计算（得数保留1位小数）带★的验算★64.8÷1.8≈★8﹣6.69
≈0.65×3.84≈15．竖式计算．（带的要验算）9.4÷11=144÷12=1
4.2÷11=16．竖式计算．75.6÷0.1825.6÷0.0322.78×1.85.63÷
6.1（得数保留两位小数）10÷3.3（用循环小数表示）17．竖式计算，按要求保留商的近似值．30÷7（保留两位小数）60.
9÷3.2（保留一位小数）25÷9.9（保留整数）18．用竖式计算（1）6.21÷0.03=（2）10.8÷45=（3）8.54
÷0.7=（4）72.9÷0.9=19．竖式计算．（第②、④题验算）①50.96÷6.5②9.25÷3.7=③15÷74④6.72
÷4.2=20．用竖式计算（1）1.25÷0.25=（2）8.4÷0.56=（3）8.54÷0.7=（验算）（4）78.6÷11
=（商用循环小数表示）21．用竖式计算．4.5×0.18=2.346÷2.3=验算：70.3×3.6=5
.06÷2.2=22．用竖式计算（带得数保留两位小数）2.6×0.2529.9÷0.464.
65÷1.3．23．列竖式计算（除不尽的保留两位小数）①24.6÷0.16；②13.9÷6；③0.325÷1.5；④6.24÷
0.8；⑤18.3÷4；⑥19.2÷6．24．用竖式计算，并指出哪些是循环小数．7.05÷0.941.71÷3.84.83
÷0.75.7÷938.2÷2.72.16÷181.8÷0.253.7÷2.2．25．用竖式计算（1）3.9÷0.26
≈（2）9.35÷3.4≈（得数保留一位小数）（3）0.17÷0.11≈（商用循环小数表示）（4）0.168÷0.7≈（5）4.
05÷18≈（得数保留两位小数）（6）4.68÷5.4=（商用循环小数表示）26．用竖式计算21.45÷15；49.04÷8；
217.6÷34；11.7÷36；1.69÷26；54.81÷27．27．将下列式子的得数保留两位小数①25.32÷0.15
②1.03÷1.2③1.07÷9.2④9.45÷0.32⑤13.51÷0.13⑥17.96÷0.36．28．列竖式计算．（第三小题
得数保留两位小数，第五小题请写出验算过程．）47.04÷5.6=3.28×2.7=0.764×1.2≈
52.92÷0.27=8÷1.28=15.36÷12=29．列竖式计算：0.195÷0
.133.6÷0.876.76÷0.766÷2.4
7.085÷0.659.72÷0.27．30．竖式计算．（1）0.38×0.23（2）5.79×3.6（3）4
.6×0.25（4）6÷24（5）52.95÷75（6）3.01÷7（7）4.95÷11（8）84.01÷31（用乘法验算）（
9）0.646÷19（10）4.7×0.59．31．计算下面各题，并用乘法验算（1）15.6÷12（2）328÷16（3）
1.35÷27（4）0.646÷19．32．用竖式计算下列各题．（除不尽的保留两位小数，后面两道题要验算）45.15÷1.5=
52.65÷1.3=15.75÷2.1=8.42+0.6=0.436÷
0.2=9.25÷3.7=33．列竖式计算6.6÷443.5÷29
18.9÷271.35÷1537.5÷628.6÷112
0.4÷243.64÷52．34．竖式计算0.448÷32=14.3+6.7=3.8×0.26=
11.32﹣8.95=35．用竖式计算1.26÷1.8=64×5.04=43.5÷0.29=验算5.63÷6.1（得
数保留两位小数）27.8÷2.5=验算9.8×0.75=36．笔算5.02×4.8=1.35×320=26÷0
.13=48÷2.3≈（得数保留两位小数）37．用竖式计算，加★号的要验算．★0.756÷0.18=0.35×
0.48=★6.02﹣5.94=38．用竖式计算（有★的要验算）96.6÷427.79÷95★6.3÷0.4
27÷0.350.14÷0.0842÷8．39．用竖式计算．7.8÷75=2.
55÷2.5=2.5×1.04=40．列竖式计算3.5×10.880.93÷26.7（精确十分
位）1.42÷1.1（商用循环小数表示）41．计算下面各题，除不尽的用循环小数表示商43.8÷120.12÷0.257÷0.3
511.62÷913÷1130.1÷3319÷125.6÷0.07．42．竖式计算30.6÷454.06÷0.58
※54.6÷0.91．43．列竖式计算．0.58×0.08=（结果保留两位小数）0.54÷0.018=
13.6÷3=（商用循环小数表示）44．列竖式计算，并验算前两个，第三个保留两位小数．95.2÷28=46.8÷0.13
=5.63÷7.8=45．竖式0.73×2.157.38÷1.65.95÷27.6（得数保留两位小数
）46．用竖式计算．3.38÷1830.9×2.75.95÷27.6（得数保留两位小数）47．列竖式计算
．4.83÷23=3.09÷1.5=0.14÷0.08=（验算）48．竖式计算．70÷5.6
=227.8÷0.34=7.525÷0.38=49．用竖式计算下面各题，除不尽的保
留两位小数8.65÷0.251.8÷127.2÷1.1．50．
用竖式计算．7.02×1.329.83÷9.50.54÷3.6小数除法计算题（口算300道+竖式20
0道）答案一．口算题（共50小题）1．【解答】解：4.8÷0.8=67.5﹣4.5=30.75÷15=0.053.5×0.4=1
.410÷0.01=100010﹣2.05=7.950.6×1.5=0.94÷0.25=161.36+2.87+3.64=7.87
1.8×0.4×0.25=0.182．【解答】解：2.1÷0.7=32÷5=0.41÷0.2=57÷8=0.8755.3÷0.5
3=100.1÷0.01=100.25×40=106.5﹣5.6=0.91.26÷0.6=2.10.54÷6=0.093．【解答】
解30.2÷2=15.10.01÷0.5=0.020.72÷8=0.094.8÷0.06=806.4+3.6=101÷3=0.1
0﹣1.55=8.451.25×8=104．【解答】解：0.9÷0.03=307.2﹣2=5.20.05×2=0.10.74×1
1=8.140.25×4÷0.25×4=163.1÷3.1=11.32+8﹣1.32+8=167.2÷40=0.186.25﹣0
.87+0.13=5.510.4×2.7×25=275．【解答】解：6.3÷0.3=211.8×0.5=0.925.1+4.9=
302.5×0.5×4=56．【解答】解：6.4÷0.2=320.9﹣0.89=0.011.07+8.3=9.373.6÷10=
0.36100×1.5=1508.1+9=17.14.5×0.2=0.911﹣3.9=7.17．【解答】解：5.6÷0.8=76
.82﹣5.2=1.622.5×0.04=0.11﹣0.5+0.5=19.15÷0.3=30.517.2÷0.86=201.8÷0
.1=1812.5×0.8×0=08．【解答】解：1.4×100=1402.80÷10=0.282.4÷100=0.0240.3
3×1000=33090÷6=150.025×100=2.590÷100=0.90.32+1.98=2.314.3+5.7=209
×99+9=9009．【解答】解：10÷0.01=10000.22+0.8=1.0210﹣2.05=7.954÷0.25=160
÷19.8=00.2×0.05=0.011.36+3.64=50.4×0.25=0.110．【解答】解：0.25÷0.5=0.5
0.32÷0.04=81.25×4=51.6÷0.4=40.54÷6=0.095.6÷7=0.811．【解答】解：5.09÷10
=0.50912.5×0.8=100.5÷0.25=245.6÷1=45.632.1×0.2=6.420.25×6=1.50.4×
0.5=0.20.54÷0.9=0.610.2÷0.01=102012.5×0.8=1012．【解答】解：4÷5=0.81.8÷
0.03=6075÷2.5=300.2×25.4=5.083.6+4.4=810﹣5.2=4.83.4×0.2=0.687.8÷6
=1.313．【解答】解：3.6÷0.3=126.3÷7=0.95.6×100=5600.25×4=10.56÷28=0.023
6÷0.9=400.64+0.8=1.440.72×3=2.161.2×20=247÷5=1.46.12÷0.5=12.242.9
÷5÷0.2=2.914．【解答】解：3.4÷2=1.72.7÷0.3=90.42÷6=0.074.12×2=8.246.3÷0
.9=71.53+2.4=3.934.8×0.5=2.46.4÷80=0.0840×0.41=16.430.9×9=278.110
×4.1=414.6÷0.5=9.215．【解答】解：0.25÷5=0.050.72÷0.9=0.83.145×100=314.
57.2÷3.6=21÷50=0.0212.4÷4.1=30.01+0.99=17.6÷7.6=11.25×4=550﹣0÷2.5
=5016．【解答】解：0.35÷5=0.070.3×2=0.60.3÷0.2=1.50.7×0.9=0.630÷7÷3=02.
4×5=1.24.9×0=02×0.45×5=4.517．【解答】解：0.64÷1.6=0.41.4×0.5=0.70.72÷0
.9=0.810.9﹣8.9=22.7+7.2=9.90÷1.5=02.7×0.3=0.8124÷0.3=804.3+2.7=72
00×0.07=140.25×4.9=1.2254÷0.8=518．【解答】解：0.8÷10=0.825+8=33187÷100
0=0.1870÷58=0237﹣9=226257+0=2570×0.008=00.001×100=0.16.0805×1000=
6080.524×5=12019．【解答】解：0.63÷9=0.075.4÷1.45≈3.720×4.65=03.5÷0.7=5
1÷0.25=44×0.5=20.1÷0.05=23.3÷0.1=332.7÷0.9=30.36÷0.12=30.14÷2=0.0
79.6÷6=1.620．【解答】解：8.4÷4=2.13.6÷0.2=180.72÷90=0.0081.1×0.8=0.880
.56+4.44=51.25×5×8=502.9+3.7+2.1=8.77.6×8+2.4×8=800.4×0.25=0.121
．【解答】解：4.8÷0.8=67.5﹣0.45=7.055.7+3.3=91÷0.25=46.2÷0.62﹣1=90.75÷1.
5=0.50.2÷4=0.050.21×4=0.841.2×60=725+3.2÷0.8=922．【解答】解：0.72÷0.9=
0.823.7+2.63=26.334.8÷0.4=120.5÷2=0.256.5﹣5.6=0.91÷0.25=48÷0.8=10
10÷4=2.50.4×0.8=0.320.48÷0.8=0.60.35×4=1.40.3÷0.15=223．【解答】解：1.2
÷0.4=32÷8=0.254÷0.5=80.72÷4=0.180÷5.32=03.6+1.8=5.41﹣0.73=0.270.2
4÷0.6=0.46.4÷1.6=40.125×80=100.5×0.8=0.413.2÷0.6=2224．【解答】解：2.5÷
0.5=50.42÷0.6=0.73.5÷0.01=3500.54÷0.6=0.90.8﹣0.35=0.450.25×4=112.
5×0.8=100.2×50=100÷3.68=00.3×0.2=0.0625．【解答】解：0.56÷0.7=0.80.6+0.
65=1.253.9÷1.3=312÷0.03=4005.2÷0.13=4099×1.01=99.9913.5﹣2.8﹣7.2=3
.525×0.32×125=100026．【解答】解：3.6÷1.2=38.1÷9=0.94.8÷0.6=81.25×8=109
9÷0.9=11025÷0.05=50088÷0.008=110001÷2.5=0.427．【解答】解：0.64÷0.32=20
.7×1.2=0.847.2÷（0.8×9）=140×0.25=100÷4.8=02.9÷2.9=10.3×0.6=0.180.0
7×50=3.5100×0.07=722.1×1=22.128．【解答】解：0.02×0.1=0.00212﹣4.3=7.736
÷0.01=36000.8×0.125=0.12.3+0.8=3.10.36÷0.4÷9=0.129．【解答】解：3.6÷1.2
=34.4÷4=1.14.8÷0.4=121÷0.25=430．【解答】解：6.4÷8=0.89.8÷0.14=704.8÷16
=0.30.63÷9=0.078.7÷29=0.30.99÷9.9=0.15.5÷0.11=5013.8÷6.9=231．【解答
】解：0.56÷8=0.070.07×10=0.73﹣1.9=1.11.2×0.1=0.1251÷0.3=1704.3+15.37
=19.672.9×10.02≈3012.1÷3.9≈36÷0.58≈1032．【解答】解：3.6÷3=1.27.8÷6=1.3
9.9÷9=1.156.7÷7=8.14.8÷4=1.23.9÷13=0.33.6÷12=0.38.1÷27=0.30.04÷2=
0.020.88÷4=0.221.25÷5=0.257.5÷0.05=15033．【解答】解：1÷0.25=40.78÷6=0.
132.4÷24=0.16.6÷0.6=115÷0.5=1034÷0.2=1700.8×7=5.68×0.6=4.870×0.12
=8.434．【解答】解：2.1÷2=1.053.8+1.02=4.827.5×0.4=32x﹣0.7x=1.3x10÷8=1.
250.8×0.6=0.483.2×0.5=1.69.6÷0.06=1603.57÷0.7=5.14.5+0.76=5.2635
．【解答】解：22.4÷4=5.60.25×4=10.21÷7=0.035.6÷7=0.81.2×5=642÷3=146.12÷0
.6=10.20.54÷6=0.0938.5÷5=7.724÷0.8=3036．【解答】解：1.6÷0.4=47.2÷8=0.9
4.2÷0.01=4202﹣3.6÷1.8=04÷5=0.84.6÷0.46=105.4÷1.8=30÷21.3=037．【解答
】解：1.2÷3=0.40.48÷6=0.084.6÷23=0.26.8÷4=1.70.72÷12=0.060.72÷4=0.18
9.6÷6=1.65.2÷13=0.412.5÷5=2.50.12÷5=0.02438．【解答】解：56÷100=0.561.2
9﹣0.29=10.56×100=565.35+2.5=7.850.625×100=62.55﹣2.1=2.9359+402=76
118.6﹣7=11.68.07×10=80.73.5+0.9=4.41.2+0.08=1.284×（25×14）=14007.3
4×0=03.31+1.2=4.5125×4÷25×4=160.25+0.2+0.75=1.239．【解答】解：0.42÷0.6
=0.75×0.6=32.4÷0.24=101.25×2.3×8=237.8+1.2=910÷0.1=1000.1×0.1=0.0
12.5﹣2.5×0.4=1.540．【解答】解：10﹣9.9=0.10.67+0.3=0.978.9×100=8902.5×4
=108÷16=0.50.9×60=541.04÷2=0.529.1÷7=1.31.5×8=120.39÷39=0.010.25÷
8=0.031250.05×300=150.45÷9=0.057.2÷9=0.80×5.8=04×8×0.25=841．【解答】
解：2.4÷2=1.248÷0.6=800.24÷0.2=1.24.8÷6=0.82.4÷0.2=124.8÷0.6=89.6÷0
.3=3296÷3=3242．【解答】解：16÷5=3.222÷4=5.548÷100=0.4812.6÷3=4.26.06÷6
=1.0135÷70=0.595÷5=191.3×4=5.212.6÷0.6=211.8÷6=0.343．【解答】解：0.75÷
0.5=1.51.6÷0.4=47÷3.5=216.8÷0.4=422.8÷0.28=100.5÷0.25=244．【解答】解：
5.74÷10=0.5744.2÷0.07=600.16×4=0.640.4÷0.8=0.51.2×5=60.64÷2=0.320
.56÷0.7=0.80.6+0.65=1.253.9÷1.3=345．【解答】解：（1）12.8÷4=3.2（2）31.5÷5
=6.3（3）39.6÷4=9.9（4）97.8÷6=16.3（5）11.7÷3=3.9（6）29.4÷2=14.7（7）83.5
÷5=16.7（8）95.2÷4=23.8（9）67.8÷2=33.946．（1）0.96÷8=0.12（2）0.08÷0.01
=8（3）0.2÷0.05=4（4）0.36÷0.18=2（5）5.1÷1.7=3（6）0.54÷0.6=0.9（7）4.8÷0.
24=20（8）10﹣0.92=0.08（9）0.9÷45=0.02（10）2.5×4÷2.5×4=16【解答】解：口算：47．
【解答】解：2.5×4=1010÷0.1=1002.8÷0.4=74.5÷0.15=307.2÷0.9=81.5×6=915÷0.
5=305÷2=2.51.2÷0.03=401.3×3=3.948．【解答】解：0.3+5.7=61﹣0.6=0.43.3+5.
6=8.90.25+5.75=65.3+50.7=560.4﹣0.35=0.051﹣0.04=0.968+50.28=58.280
.9﹣0.7=0.210﹣9.9=0.18.6×100=860148.3÷100=1.48349．【解答】解：3.6÷1.2=3
0.72÷0.9=0.82.6÷13=0.24.8÷0.4=124.4÷4=1.10.78÷6=0.137.2÷0.4=181÷0
.25=47.1×0.4=2.844.5÷0.15=301﹣0.07=0.930.42÷0.7=0.650．【解答】解：0.29
÷100=0.00295÷1000=0.00519+0÷19=19423﹣（100+23）=300170×100=17000320
÷100=3.290﹣26﹣13=510.56×100÷1000=0.0560.26×1000=26024×99+24=24003
8﹣25+12﹣25=0500÷100×1000=5000二．竖式计算题（共50小题）1．【解答】解：0.51÷0.5=1.02
98÷5.6=1520.4÷1.7=122．【解答】解：1.092÷0.42=2.6★210÷1.4=1508.9÷0.56≈1
5.893．【解答】解：69.02÷3.4=20.326.8×0.35=9.3846.8÷3.4≈13.84．【解答】解：2.0
5÷25=0.0820.13÷0.17≈0.764.2÷0.28=154.2÷1.32≈3.1825．【解答】解：117.3÷0.
46=25524×0.37=8.8840.32÷l.68=246．【解答】解：2.1÷0.7=37÷0.35=207.2÷4=1
.87．【解答】解：①2.76×24=66.24②12.6÷0.28=458．【解答】解：220.5÷15=14.72.64×1.
09≈2.886.3÷0.125=50.40.84×1.65=1.3869．【解答】解：33.6÷56=0.68.96÷0.28=
327.12÷0.22≈3.364.13÷14≈0.3010．【解答】解：（1）12.4÷4=3.1（2）45.9÷0.6=76.
5（3）51÷0.3=170（4）52.8÷12=4.4（5）75.6÷0.18=420（6）9.6÷0.32=3011．【解答
】解：13÷2.5=5.254.5÷0.16=340.6250.68÷0.95≈0.722.05×0.16=0.32878.6÷1
1=7.1（商用循环小数表示）6.21÷0.03=20712【解答】解：1.25÷0.25=578.6÷11=7.15.63÷
7.8≈0.7228.28÷0.4=70.70.303÷5=0.060613．【解答】解：1.57÷3.9≈0.400.58×0
.24≈0.1470.7÷33=2.114．【解答】解：★64.8÷1.8=36★8﹣6.69≈1.3；0.65×3.84≈2.5
15．【解答】解：9.4÷11=0.8144÷12=1214.2÷11=1.216．【解答】解：75.6÷0.18=4
2025.6÷0.032=8002.78×1.8=5.0045.63÷6.1≈0.9210÷3.3≈3.17．【解答】解：30÷
7≈4.2960.9÷3.2≈19.025÷9.9≈318．【解答】解：（1）6.21÷0.03=207（2）10.8÷45=0
.24（3）8.54÷0.7=12.2（4）72.9÷0.9=8119．【解答】解：①50.96÷6.5=7.84②9.25÷3
.7=2.5③15÷74=0.22④6.72÷4.2=1.620．【解答】解：（1）1.25÷0.25=5（2）8.4÷0.5
6=15（3）8.54÷0.7=12.2（4）78.6÷11=7.121．【解答】解：4.5×0.18=0.812.346÷2.
3=1.0270.3×3.6=253.085.06÷2.2=2.322．【解答】解：2.6×0.25=0.6529.9÷0.4
6=654.65÷1.3≈3.5823．【解答】解：①24.6÷0.16=153.75②13.9÷6≈2.32③0.325÷1.
5≈0.22④6.24÷0.8=7.8⑤18.3÷4=4.575⑥19.2÷6=3.224．【解答】解：7.05÷0.94=7.
51.71÷3.8=0.454.83÷O.7=6.95.7÷9=0.638.2÷2.7=14.42.16÷18=0.121.8÷0
.25=7.23.7÷2.2=1.625．【解答】解：（1）3.9÷0.26=15（2）9.35÷3.4≈2.8（3）0.17÷
0.11≈1.（4）0.168÷0.7=0.24（5）4.05÷18≈0.23（6）4.68÷5.4≈26．【解答】解：21.4
5÷15=1.4349.04÷8=6.13217.6÷34=6.411.7÷36=0.3251.69÷26=0.6554.81÷2
7=2.0327．【解答】解：①25.32÷0.15=168.80②1.03÷1.2≈0.86③1.07÷9.2≈0.12④9.
45÷0.32≈29.53⑤13.51÷0.13≈103.92⑥17.96÷0.36≈49.8928．【解答】解：47.04÷5.
6=8.43.28×2.7=8.8560.764×1.2≈0.9252.92÷0.27=1968÷1.28=6.2515.36÷1
2=1.2829．【解答】解：0.195÷0.13=1.53.6÷0.8=4.576.76÷0.76=1016÷2.4=2.5
7.085÷0.65=10.99.72÷0.27=3630．【解答】解：（1）0.38×0.23=0.0874（2）5.7
9×3.6=20.844（3）4.6×0.25=1.15（4）6÷24=0.25（5）52.95÷75=0.706（6）3.01÷
7=0.43（7）4.95÷11=0.45（8）84.01÷31=2.71（9）0.646÷19=0.034（10）4.7×0.5
9=2.77331．【解答】解：（1）15.6÷12=1.3（2）328÷16=20.5（3）1.35÷27=0.05（4）0.
646÷19=0.03432．【解答】解：45.15÷15=3.0552.65÷13=4.0515.75÷2.1=7.58.42
÷0.6≈14.030.436÷0.2=2.189.25÷3.7=2.533．【解答】解：6.6÷4=1.6543.5÷29=1.518.9÷27=0.71.35÷15=0.0937.5÷6=6.2528.6÷11=2.620.4÷24=0.853.64÷52=0.0734．【解答】解：0.448÷32=0.01414.3+6.7=213.8×0.26=0.98811.32﹣8.95=2.3735．【解答】解：（1）1.26÷1.8=0.7（2）64×5.04=322.56（3）43.5÷0.29=150（4）5.63÷0.13≈43.31（5）27.8÷2.5=11.12（6）9.8×0.75=7.3536．【解答】解：5.02×4.8=24.0961.35×320=43226÷0.13=20048÷2.3≈20.8737．【解答】解：★0.756÷0.18═4.20.35×0.48=0.168★6.02﹣5.94=0.0838．【解答】解：96.6÷42=2.37.79÷95=0.082；★6.3÷0.42=157÷0.35=200.14÷0.08=1.7542÷8=5.2539．【解答】解：7.8÷75=0.1042.55÷2.5=1.022.5×1.04=2.640．【解答】解：3.5×10.8=37.880.93÷26.7≈3.01.42÷1.1=1.241．【解答】解：（1）43.8÷12=3.65（2）0.12÷0.25=0.48（3）7÷0.35=20（4）11.62÷9=1.29（5）13÷11=1.（6）30.1÷33=0.9（7）19÷12=1.58（8）5.6÷0.07=8042．【解答】解：30.6÷45=0.68；4.06÷0.58=7；54.6÷0.91=60；43．【解答】解：0.58×0.08≈0.050.54÷0.018=3013.6÷3=44．【解答】解：（1）95.2÷28=3.4（2）46.8÷0.13=360（3）5.63÷7.8≈0.7245．【解答】解：0.73×2.15=1.56957.38÷1.6=4.61255.95÷27.6≈0.2246．【解答】解：3.38÷18=30.9×2.7=83.435.95÷27.6≈0.2247．【解答】解：4.83÷23=0.213.09÷1.5=2.060.14÷0.08=（验算）48．【解答】解：70÷5.6=12.5227.8÷0.34=6707.525÷0.38≈19.80．49．【解答】解：8.65÷0.25=34.61.8÷12=0.157.2÷1.1≈6.5550．【解答】解：7.02×1.3=9.12629.83÷9.5=3.140.54÷3.6=0.15. |
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