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三点2×8点4×5 1得几除以一点6×0点7×0点三的积的简...

因题干条件不完整,缺少文字,不能正常作答。

7.4-1.5x2.6÷1.3 =7.4-1.5x(2.6÷1.3) =7.4-1.5x2 =7.4-3 =4.4

2.412

无法做答

5.6-5点6×0点7的积除以22点四简便运算 5.6-5点6×0点7的积除以22点四 =5.6-5.6*0.7÷22.4 =5.6-3.72÷22.4 =5.6-0.1660714286

1.4*8.5+8.5*0.6-7.6 =8.5*(1.4+0.6)-7.6 =15-7.6 =7.4

67×4点8+0点52×6点七 =6.7×0.48+0.52×6.7 =6.7×(0.48+0.52) =6.7×1 =6.7

3.2×0.5÷3.2×0.7 =(3.2÷3.2)×(0.5×0.7) =1*0.35 =0.35

8.7 1点3×2点31-0点31 =8.7+1.3*2.31-0.31 =8.7+3.003-0.31 =11.393

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