.67÷0.90.736÷23 210÷1.4
11.97×1.5 3.77×1.85×2.44
43.5×12 51.3÷0.2769.6÷2.9
0.02×96 6.1 35.21÷7 91.2×3.8
38.4÷0.8 5.22×0.3 9.432×0.002
39.6×24 0.756÷0.1815÷0.06
9.99×0.02 5.6×6.5 4.88÷2.9
0.61×4.38.9÷2.4 5.5×55
9.77×0.028.2÷0.12 0.8÷0.9
76.4÷5.4 4.7÷332÷42
14.36÷2.78.33÷6.2 1.7÷0.03
56.78×8 1.25÷1.2 2.41÷0.7
1.384÷5.18.78×83 12.6×61
0.059×0.2 4.268×1.75.7×5.7
9.46×2.85 17.8×6.41.5÷4.9
5.555×5.2 2.22×3.33 7.658×85
0.396÷1.2= 0.756÷0.36= 15.6×1.3=
0.18×1.5=0.025×1.4= 13.06×36=
0.04×0.12= 3.84×2.6≈5.76×3=
16.9÷0.135.2×0.615.25×5
0.25×0.046 17.15×22 3.9 18.4÷1.3
35.4×4.2 2.52×3.4 90.75÷3.3
3.7÷0.0166.4×0.5 0.042×0.54
25 3.68×0.2513.76÷0.8= 4.48×0.4
0.76÷0.320.12×0.16=1.55÷ 1.08÷
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)
(循环小数的用简便方法,除不尽保留2位小数)
1.25÷1.2=2.41÷0.7= 36.02÷0.3=
8.2÷0.12 0.8÷0.9 76.4÷5.4
4.7÷332÷42 14.36÷2.7
8.33÷6.21.7÷0.0356.78×8
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+0.9
7.28×99+7.28 4.3×50×0.264-2.64×0.5
26×15.7+15.7×24(2.275 +0.625)×0.28
3.94+34.3×0.21.2×(9.6÷2.4)÷4.8
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