小数乘除法简便四则混合题.docx
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小数乘除法简便四则混合题.docx
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小数乘除法简便四则混合题
小数乘法计算题
(1)
姓名:
班级
小数乘法的计算法则:
先按整数的计算法则进行计算,再看因数中一共有几位小数,就从积右边起数几位,点上小数点。
3.05×3=0.72×5=2.05×4=12.4×7=26.4×0.063=
0.15×0.65=2.3×12=6.7×0.3=2.4×6.2=0.56×0.04=
6.7×0.3=0.56×0.04=3.7×4.6=0.29×0.07=26.4×0.063=
0.15×0.65=6.5×8.4=56×1.3=3.2×2.5=2.6×1.08=
0.87×7=3.5×16=12.5×42=1.8×23=0.6×0.39=
0.37×0.4=1.06×25=7×8.06=1.2×1.4=0.37×8.4=
27×0.43=1.7×0.45=21×2.84=4.32×8=2.34×0.15=
小数乘法计算题
(2)
姓名:
班级:
0.264×73.105×1.863.08×2.511.4×0.193.2×5.06
1.666×6.10.59×0.0740.084×1.2524×0.0450.78×3.1
2.5×0.1254.87×1.672.098×1.52.8×6.3454.02×0.11
0.283×0.652.43×0.6754.562×5.45.546×1.80.842×2.5
0.25×0.0561.08×2.560.12×0.448.63×3.250.325×0.14
18.24×3.49.35×4.215.07×9.87.02×0.560.25×0.08
403×3.51.43×1.78.02×2.85.6×2.92.8×0.65
3.77×1.80.02×965.22×0.31.36×3.79.91×0.02
4.67×0.90.35×2.443.8×0.054.88×2.99.43×0.002
小数除法计算
姓名:
班级
252÷6=345÷15=564÷4=108÷12=5436÷18=
2.52÷6=34.5÷15=5.6÷4=1.08÷12=54.36÷18=
756÷21=783÷9=408÷8=654÷6=595÷17=
7.56÷21=78.3÷9=4.08÷8=65.4÷6=0.595÷17=
630÷14=72÷15=1421÷7=240÷15=575÷23=
0.63÷14=72÷15=14.21÷7=24÷15=5.75÷23=
126÷18=435÷29=189÷27=135÷15=910÷26=
1.26÷18=4.35÷29=0.189÷27=1.35÷15=0.91÷26=
小数除法计算
(1)
姓名:
班级
25.2÷6=34.5÷15=5.6÷4=1.8÷12=54.36÷18=
1.8÷12=7.83÷9=4.08÷8=0.54÷6=59.5÷17=
6.3÷14=72÷15=14.21÷7=24÷15=5.75÷23=
1.26÷18=43.5÷29=18.9÷27=1.35÷15=9.1÷26=
28.6÷11=20.4÷24=3.64÷52=15.6÷12=9.1÷26=
7.35÷7=36.78÷6=7.15÷13=5.4÷15=8.5÷34=
328÷16=1.35÷27=4.32÷36=25.2÷24=135.9÷45=
小数除法计算
(2)
姓名:
班级
62.4÷2.6=0.544÷0.16=1.44÷1.8=11.7÷2.6=12.6÷0.28=
19.4÷12=5.98÷0.23=19.76÷5.2=10.8÷4.5=7.65÷0.85=
21÷1.4=8.84÷1.7=6.21÷0.03=1.89÷0.54=5.4÷0.15=
0.51÷0.22=7.1÷2.5=1.998÷0.54=1.28÷0.16=124.8÷0.24=
2.1÷0.4=2.56÷3.2=50.18÷38.6=4.68÷7.5=23.4÷5.85=
14.7÷0.07=0.544÷0.025=203.5÷11=85.4÷6.1 = 27.72÷4.2=
221÷0.34= 1.47÷4.2 =41÷0.57= 102÷0.06= 4.089÷0.047 =
小数乘除法综合练习题
(1)
1、直接写出得数。
0.45×2.5= 0.8×1.25= 0.3×3.6= 0.3×0.3=10×0.07= 2.5×4×12=5×0.4=
0.3×1.4= 0.05×7= 0.92×0.4=8÷10= 0.9×0.8= 2.4×5= 0×3.52=
0.2×0.26= 0.14×4= 0.02×0.1= 1.2×0.3=100-35.22= 2.3×4=.0.125×8=
8.2+1= 0.22×4= 3.25×0=0.9-0.52= 3.99×1= 2.5+4= 5.4×5=
2、用竖式计算
3.96×1.2= 0.756×3.6= 15.6×13= 3.06×36= 0.025×14=0.18×15=
1.26÷0.18=43.5÷0.29=18.9÷0.27=1.35÷1。
5=9.1÷0.26=20.4÷0.24=
3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.2×0.9+0.964-2.64×0.54.3×50×0.2
(2.275+0.625)×0.28 7.28×99+7.28 26×15.7+15.7×24 2.8×0.5+1.58
3.94+34.3×0.2 2.7×5.4×3.9 1.2×(9.6÷2.4)÷4.83.6×9.85-5.4656.5×99+56.5
6.58×4.5×0.9 8.9×1.1×4.7 8.05×3.4+7.6 4.8-4.8×0.5 40.5÷0.81×0.18
4.8×(15÷2.4)(1.25-0.125)×84.8×100.1 7.09×10.8-0.8×7.04.85+0.35÷1.4
12.5×0.4×2.5×8 0.87×3.16+4.64 9.5×101 0.68÷(5.2-3.5)×1.25 8.7×17.4-8.7×7.4
小数乘除法综合练习题
(2)
班级:
姓名:
2.6+1.4×1.5-1.5(37-3.6÷4.8)÷12.52.6+2.4×(1.4-1.05)15.6÷16×(0.25+1.25)
30.8÷[14-(9.85+1.07)][60-(9.5+28.9)]÷0.182.881÷0.43-0.24×3.520×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4)2.55×7.1+2.45×7.1777×9+1111×30.8×[15.5-(3.21+5.79)]
(31.8+3.2×4)÷531.5×4÷(6+3)0.64×25×7.8+2.22÷2.5+2.5÷2
36.25÷4.25×9.95180-705×624÷2.4-2.5×0.8(4121+2389)÷7
671×15-974469×12+149219.4×6.1×2.35.67×0.2-0.62
18.1×0.92+3.930.4×0.7×0.250.78+5.436+14.8×5÷4+1÷4
9.9×5÷6+5÷610.3÷4x8÷9-1÷314.31×5÷6-5÷616.5÷9×18-14×2÷7
20.3×2÷9+1÷335.95÷(64-45)36.178-145÷5×6+427.2÷0.8-1.2×5
6.5×(4.8-1.2×4)28-(3.4+1.25×2.4)2.55×7.1+2.45×7.1(31.8+3.2×4)÷5
0.64×25×7.8+2.2194-64.8÷1.8×0.936.72÷4.25×9.924÷2.4-2.5×0.8
小数乘除法综合练习题(3)
班级:
姓名:
19.4×6.1×2.35.67×0.2-0.6218.1×0.92+3.930.043×24+0.8750.4×0.7×0.25
4.07×0.86+9.12240×78÷(154-115)[37.85-(7.85+6.4)]×3.2156×[(17.7-7.2)÷3]
2.881÷0.43-0.24×3.50.8×〔15.5-(3.21+5.79)〕(31.83.2×4)÷536.72÷4.25×9.9
194-64.8÷1.8×0.93.416÷(0.016×35)0.8×[(10-6.76)÷1.2](6.8-6.8×0.55)÷8.5
0.12×4.8÷0.12×4.8(58+37)÷(64-9×5)(3.2×1.5+2.5)÷1.69.72×1.6-18.305÷7
3.2×(1.5+2.5)÷1.6(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.8(3.2×1.5+2.5)÷1.6
[(7.1-5.6)×0.9-1.15]÷2.5(3.2×1.5+2.5)÷1.65.4÷[2.6×(3.7-2.9)+0.62]12×6÷(12-7.2)-6
(3.2×1.5+2.5)÷1.6(6.8-6.8×0.55)÷8.50.12×4.8÷0.12×4.80.8×〔15.5-(3.21+5.79)〕
0.64×25×7.8+2.2194-64.8÷1.8×0.936.72÷4.25×9.924÷2.4-2.5×0.819.4×6.1×24
5.67×0.2-0.6218.1×0.92+3.9338.85+14×(14+208÷26)36.178-145÷5×6+4235.95÷(64-45)×0.7
小数简便计算练习
下面各题怎样算简便就怎样算。
(1)小数加减法计算
6.9+4.8+3.10.456+6.22+3.7815.89+(6.75-5.89)
4.02+5.4+0.985.17-1.8-3.213.75-(3.75+6.48)
3.68+7.56-2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.2
3.82+2.9+0.18+9.19.6+4.8-3.67.14-0.53-2.47
5.27+2.86-0.66+1.6313.35-4.68+2.6573.8-1.64-13.8-5.36
47.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.25
66.86-8.66-1.3436.8-3.9-6.132+4.9-0.9
25.48-(9.4-0.52)3.9-4.1+6.1-5.915.02-6.8-1.02
32+4.9-0.9146.5-(23+46.5)9.43-(6.28-1.57)
(2)小数乘法计算
0.25×16.2×4(1.25-0.125)×83.6×102320÷1.25÷84.2÷3.5
3.72×3.5+6.28×3.54.8×7.8+78×0.520.8×100.10.89×100.1
5.6×13.1-15.6-15.6×2.14.2÷3.57.09×10.8-0.8×7.09320÷1.25÷8
18.76×9.9+18.763.52÷2.5÷0.456.5×9.9+56.53.52÷2.5÷0.40.85×199
4.8×7.8+78×0.5256.5×9.9+56.518.76×9.9+18.763.65×10.10.79×199
9.6÷0.8÷0.44.2×99+4.215.2÷0.25÷41.25×2.5×320.49÷1.40.25×8.5×4
17.8÷(1.78×4)3.14×0.68+31.4×0.0320.65×1013.2×0.25×12.54.6÷3.5
3.83×4.56+3.83×5.449.7×99+9.728.6×101-28.63.6-3.6×0.52.31×1.2×0.5
27.5×3.7-7.5×3.78.54÷2.5÷0.44.36×12.5×85.4×11-5.43.12+3.12×99
(2.5-0.25)×0.49.16×1.5-0.5×9.160.8×(4.3×1.25)10.4-9.6×0.350.25×36
0.86×15.7-0.86×14.72.4×1020.32×40312.5×0.96×0.87.6×0.8+0.2×7.6
101×0.87-0.91×8710.7×16.1-15.1×10.73.65×4.7-36.5×0.372.3×16+2.3×23+2.3
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