Question

如何用简便计算来计算5.67×0.69+5点67×0.11+0点8×4.33？

Answer 1

5.67×0.69+5.67×0.11+0.8×4.33
＝5.67×（物棚0.69+0.11）+0.8×4.33
=5.67×0.8+0.8×4.33
=（罩肆则5.67+4.33）雹猛×0.8
=10×0.8
=8

Answer 2

5.67×0.69+5.67×0.11+0.8×4.33
=5.67×（颤虚李茄迟0.69+0.11）+0.8×4.33
=5.67×0.8+0.8×4.33
=（5.67+4.33）×0.8
＝10×0.8
＝誉山8

Answer 3

5.67×0.69+5点67×0.11+0点汪橘前困清8×4.33
=5.67x（0.69+0.11）+0.8x4.33
=5.67x0.8+0.8x4.33
=0.8x（5.67+4.33）伍弊
=0.8x10
=8

Answer 4

5.67×0.69+5.67×0.11+0.8×4.33
＝5.67×（0.69+0.11）散缺逗冲卖+0.8×4.33
＝5.67×0.8+0.8×4.33
＝0.8×（5.67+4.33）
＝扮迟0.8×10
＝8

Answer 5

5.67×0.69+5.67×0.11+0.8×4.33
=5.67×（此大吵森侍仿枣0.69+0.11）+0.8×4.33
=5.67×0.8+0.8×4.33
=0.8×（5.67+4.33）
=0.8×10
=8