5.6×2.9 3.77×1.8 0.02×96
5.22×0.3 9.99
5.54×2.44 1.666
5.6×6.5 4.88
8.9×2.4 9.77
8.78×83 2.6
4.268×1.7 57
×0.02 4.67×6.1 9.432×2.9 5.61×0.02 1.384×61 0.059×5.7 9.46×0.9 ×0.002 ×2.1 ×5.1 ×0.2 ×2.85
17.8×6.4 1.5×4.9 2.5×0.88
5.555×5.2 2.22
36.02×0.3 56.78
0.02×96 5.22
4.67×2.44 1.666
5.6×6.5 4.88
×3.33 7.658×83 5.6×0.3 9.99×6.1 9.432×2.9 5.61×85 ×2.9 ×0.02 ×0.002 ×4.3 8.9×2.4 5.5×55 9.77×0.02
1.384×5.1 4.268
7.658×85 5.3
4.8×9.1 5.59
2.1×7.6 3.8
2.1×0.4 2.8×1.3 1.5×6.3 9.9×4.8 1.3×2.3 8.7×3.5 8.78×4.9 ×1.4 ×1.6 ×0.1 ×88
57×5.7 2.5×0.88 36.02×0.3
4.4×7.3 6.4×2.4 0.6×7
0.2×5.6 4.6
1.8×9.6 1.7
1.1 2.6×61 9.46
56.78×8 3 4×3.8 3.8×4.7 9.8×2.85 5.555×8.8 12.48×2.3 ×4.3 ×5.2 ×4
4.2×1.8 9.4×8.4 9.1×5.6
1.8×9.6 6.1
7.7×9.9 2.9
17.8×6.4 2.22
4.1×0.8 9.8
0.5×4.6 229.57 0.4×4.8 8.6×8.2 1 0.059×3.33 0.1×1.3 8.6×8.9 ×0.2 ×5.3 ×6.5 ×1.9 1
2.1×7.9 27.5×5.7 0.3×7.6
3.4×9 3.9×1.7 3.77×1.8
185.44÷16 41.84
67.5÷105 230.4
6.21÷0.03 0.66
4.67÷0.9 0.736
÷7 21.7÷0.6 121.24÷0.3 15.6÷23 210÷9 ÷36 ×2.9 ÷1.4 11.97×1.5 3.77×1.8 5×2.44
43.5×12 51.3
0.02×96 6.1 35.21
38.4÷0.8 5.22
39.6×24 0.756
9.99×0.02 5.6÷0.27 69.6÷7 9 1.2×0.3 9.432÷0.18 15×6.5 4.88÷2.9 ×3.8 ×0.002 ÷0.06 ÷2.9
0.61×4.3 8.9÷2.4 5.5×55
9.77×0.02 8.2÷0.12 0.8÷0.9
76.4÷5.4 4.7
14.36÷2.7 8.33
56.78×8 1.25
1.384÷5.1 8.78÷3 32÷6.2 1.7÷1.2 2.41×83 12.6÷42 ÷0.03 ÷0.7 ×61
0.059×0.2 4.268×1.7 5.7×5.7
9.46×2.85 17.8
5.555×5.2 2.22
0.396÷1.2= 0.756
0.18×1.5= 0.025
0.04×0.12=×6.4 1.5×3.33 7.658÷0.36= 15.6×1.4= 13.06×2.6≈ 5.76÷4.9 ×85 ×1.3= ×36= ×3=
3.8416.9÷0.13 5.2×0.6 15.25×5
0.25×0.046 17.15×22 3.9 18.4÷1.3
35.4×4.2 2.52
3.7÷0.016 6.4
25 3.68×0.25 13.76
0.76÷0.32 0.12
×3.4 90.75×0.5 0.042÷0.8= 4.48×0.16=÷3.3 ×0.54 ×0.4 ÷ 1.08÷ 1.55 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)
36.02÷0.3(循环小数的用简便方法,除不尽保留2位小数):
8.2÷0.12 0.8÷0.9 76.4÷5.4
4.7÷3 32÷42 14.36÷2.7
8.33÷6.2 1.7÷0.03 56.78×8
1.25÷1.2 2.41÷0.7
3、脱式计算(能简算的要简算)
2.5×7.1×4 16.12×99+16.12 5.20.9
7.28×99+7.28 4.3×50×0.2 640.5
26×15.7+15.7×24 (2.275 +0.625)×0.28 4.4×0.8
×0.9+-2.64××0.8-3.43.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8 8.9×1.1×4.7
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÷ 2.4)
32+4.9-0.9 4.8
4.8×100.1 56.57.09
×0.5+1.58 4.8 ×(15 -4.8×0.5 (1.25-0.125)×8 ×99+56.5 7.09×10.8-0.8×
4.85 + 0.35 ÷ 1.4 8.7 × 17.4 - 8.7 × 7.4 12.5×0.4×2.5×8
0.87×3.16+4.64 9.51.25
40.5 ÷ 0.81 × 0.18 6.81+6.81185×40
×101 0.68 ÷(×99 0.255.2 -3.5)××
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