小数乘除法计算题2010-02-07 09:24乘法：5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×2.45.5×559.77×0.021.384×5.18.78×832.6×610.059×0.24.268×1.757×5.79.46×2.8517.8×6.41.5×4.92.5×0.885.555×5.22.22×3.337.658×8536.02×0.356.78×8除法：85.44÷1642.84÷7101.7÷967.5÷15230.4÷621.24÷360.736÷2343.5÷1235.21÷739.6÷246.21÷0.03210÷1.451.3÷0.2791.2÷3.80.756÷0.180.66÷0.311.97÷1.569.6÷2.938.4÷0.815÷0.06（循环小数的用简便方法,除不尽保留2位小数）：8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.232÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.7用竖式计算0.396÷1.2=
0.756÷0.36=
15.6×13=0.18×15=
0.025×14=
3.06×36=0.04×0.12＝
3.84×2.6≈
5.76×3＝
（保留一位小数）7.15×22
90.75÷3.3
3.68×0.2516.9÷0.13
1.55÷3.9
3.7×0.01613.76×0.8=
5.2×0.6
8.4×1.36.4×0.5
4.48×0.4
5.25×535.4×4.2
0.042×0.54
0.76×0.320.25×0.046
2.52×3.4
1.08×25
0.12×0.5×0.16＝
4.8×0.25＝
0.125×1.4≈（保留两位小数）2.5÷0.7=
（保留三位小数）
10.1÷3.3=
（商用循环小数）10.75÷12.5=
（用乘法验算）
3.25×9.04=
（用除法验算）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＋0.97.28×99+7.28
4.3×50×0.2
64－2.64×0.526×15.7＋15.7×24
(2.275 ＋0.625)×0.28
3.94+34.3×0.2
1.2×(9.6÷2.4)÷4.88.9×1.1×4.7
2.7×5.4×3.9
3.6×9.85-5.46
8.05×3.4+7.6
6.58×4.5×0.9
2.8×0.5+1.5832＋4.9－0.9
4.8－4.8×0.5
(1.25－0.125)×84.8×100.1
56.5×99＋56.5
7.09×10.8－0.8×7.094.85 + 0.35 ÷ 1.4
8.7 × 17.4 - 8.7 × 7.412.5×0.4×2.5×8
0.87×3.16+4.64
9.5×101
0.68 ÷（5.2 -3.5）× 1.25
40.5 ÷ 0.81 × 0.18
4.8 ×（15 ÷ 2.4）
6.81+6.81×99
0.25×185×40
4.4×0.8－3.4×0.8(9.37+9．37+9．37+9．37)× 2．5
2.37×6.3+2.37×3.7
2.5×1.25×0.32
3.8×10.12.5×(3.8×0.04)
7.69×101
3.8×10.10.25×39+0.25
0.125×72
46×0.33+54×0.33(8×5.27) ×1.25
6.81+6.81×99
0.25×185×406.8×0.75÷0.5
3.75÷0.125–2.75
1.53+23.4÷7.29.5×99
13.5×0.98
12.5×8.8二、解方程：54-X=24
7X=49
126÷X=4213+A=28.5
2.4X=26.4
7.5x－3x=185×1.3-2x=5.5
24x+6x=63.6
5.6x+4.4x=5.2x＋3.86=5.4617.89－x=12.8940.8＋x=57.3x－3.25=162x＋0.82＝8.23＋0.5x＝77.8÷x＝2.680x÷4＝125－0.9x＝2.752x＋0.4x=486－2x＋6x=1835x＋13x=9.60.52×5－4x=0.60.7(x＋0.9)=421.3x＋2.4×3=12.43.5x = 1402x +5 = 4015x+6x = 1685x＋1.5 = 4.513.7—x = 5.294.2 × 3—3x = 5.1 (写出检验过程)20.5－4x=8.13.6x÷1.2=9.7518×1.5－1.7x=13.418.5x－9.9x=1.7219.2x+1.5x=32.17.2×5－8x=11.24x＋3×0.7＝6.5(口算)0.6×1.2=
0.84÷0.6=
4.5×0.1=15×0.4=
0.1×0.5=
2.8÷7=100÷0.01=
1.4×3=
0.72÷8=6÷0.03=
0.5×0.6=
40×0.9=4÷0.5=
7×2.1=
8.89+0.1=24×0.25=
0.1÷0.01=
2.4×0.8=9×0.4=
10×0.01=
30.2-3.02=4.3-0.25=
1-0.82=
9.6÷0.3=2.6×0.01=
0×25.4=
4.8×0.4=7.2＋2.8=12×2.5＝2.63＋0.37＝0.7×16－16×0.2=0.96÷0.3＝1.5－4.5=2.5×0.41.4×2.5×4＝8－2.5＝6÷1.2=9.2÷2.3=24÷4＋56÷4＝0.36＋0.64＝4÷0.25=1.8×5=30×（200＋3）＝8.4÷4.2=8×1.5＝4.8÷0.3=2.73＋1.5×4＝计算下面各题(能简算的要简算)7.05×23.7+7.05×76.30.125×3.2×2.512.81－(1.5+7.81)8.7×2.6+6.4×8.7+8.71025－1125÷4.5×3.612.25－3.1＋0.85－6.17（1.9－1.9×0.9）÷（3.8－2.8）2.65×1.7＋1.35×1.7列竖式计算,得数保留一位小数.1.2×1.4＝
0.37×8.4＝
3.14×2.8＝0.85×1.12＝
0.86×5.4＝
0.15×2.34＝40÷14＝
26.37÷31＝
45.5÷38＝1560÷35＝
4.8÷2.3＝
1.55÷3.9＝7.2÷2.1＝
3.87÷7＝
146.4÷13＝5.63÷6.1＝
2.84×0.03＝
0.38×0.13＝26.37÷31＝
32÷42＝
2.84×0.03＝4.8÷23＝
0.382×0.13＝
4.2÷4.5＝列竖式计算1.64＋2.35=
8.65－6.31=
28.448÷14=
0.58×250=
12.5＋3.6=
10.88÷34=
10－7.64=
1.86×7=
13.88－6.29=
926×0.15=
8÷500=
26.3＋7.93=
23×7.06=
100.2－2.28=
44÷9（精确到百分位）
三、计算（能简便的用简便方法计算）8×25×1．25×16
4．04×250
45．55－（6．82＋15．55）
3．2×99＋3．2
4.8×39＋61×4．8
34．52－17．87－12．232．5×56+4．5×65
489×101－489
4．57+3．17+3．43+5．83
4．6×56＋48×4．6－4．6×4竖式计算：18÷24=
43.68÷26=
25.3÷0.88=0.1575÷3.15=
0.612÷1.8=
16.787÷0.28（保留一位小数）1、 算下面各题2.36×0.22
2.8×4.58
3.57÷4.2
82.8÷3645×2.46
3.6÷0.24
382.5÷45
6.4×5.482、 简便计算3.6×2.5+7.5×3.6
2.5×1.2
0.125×32
4.3×0.9
6.5×102
3.25×99+3.2518÷24=
43.68÷26=
25.3÷0.88=0.1575÷3.15=
0.612÷1.8=
16.787÷0.28解析看不懂？免费查看同类题视频解析查看解答更多答案(1)}

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解:原式=0.009保留一位小数是0望采纳}