实用标准文案
5.6×2.9 3.77×1.8 0.02×96 5.22×0.3
9.99×0.02 4.67×0.9 5×2.44 1.666×6.1
9.432×0.002
8.9×2.4
8.78×83
57×5.7
2.5×0.88
36.02×0.3 精彩文档
5.6×6.5 5.5×55 2.6×61 9.46×2.85 ×5.2 56.78×8 4.88×2.9 9.77×0.02 0.059×0.2 17.8×6.4 2.22×3.33 ×13= 5.61×4.3 1.384×5.1 4.268×1.7 1.5×4.9 7.658×85 0.18×15=
5.555 15.6 实用标准文案
85.44÷16 42.84÷7 101.7÷9 67.5÷15
230.4÷6 21.24÷36 0.736÷23 43.5÷12
35.21÷7 39.6÷24 6.21÷0.03
51.3÷0.27 91.2÷3.8 0.756÷0.18
11.97÷1.5 69.6÷2.9 38.4÷0.8
(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
1.25÷1.2 32÷42 14.36÷2.7
1.7÷0.03 2.41÷0.7 0.396÷1.2= 精彩文档
210÷1.4 0.66÷0.3 15÷0.06 4.7÷3 8.33÷6.2 0.756÷0.36=
实用标准文案
15.6×13= 0.18×15= 0.025×14= 3.06×36=
0.04×0.12= 3.84×2.6≈ (保留一位小数) 5.76×3=
7.15×22
1.55÷3.9
8.4×1.3
35.4×4.2
2.52×3.4
0.125×1.4≈
0.75÷12.5= 精彩文档
90.75÷3.3 3.68×0.25 16.9÷0.13 3.7×0.016 13.76×0.8= 5.2×0.6 6.4×0.5 4.48×0.4 5.25×5 0.042×0.54 0.76×0.32 0.25×0.046 1.08×25 0.12×0.16= 4.8×0.25= 2.5÷0.7≈ (保留三位小数) 10.1÷3.3= 3.25×9.04= (用除法验算)
(保留两位小数) (用乘法验算)实用标准文案
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+0.9
7.28×99+7.28 4.3×50×0.2 64-2.64×0.5
26×15.7+15.7×24
1.2×(9.6÷2.4)÷4.8
3.6×9.85-5.46
2.8×0.5+1.58
(1.25-0.125)×8
7.09×10.8-0.8×7.09 精彩文档
+0.625)×0.28 8.9×1.1×4.7 8.05×3.4+7.6 32+4.9-0.9 4.8×100.1 4.85 + 0.35 ÷ 1.4 3.94+34.3×0.2 2.7×5.4×3.9 6.58×4.5×0.9 4.8-4.8×0.5 56.5×99+56.5 8.7 × 17.4 - 8.7 × 7.4
(2.275