4.8×0.56 44×91.6的简便算法
答案:1 悬赏:50 手机版
解决时间 2021-01-06 13:58
- 提问者网友:川水往事
- 2021-01-06 01:45
4.8×0.56 44×91.6的简便算法
最佳答案
- 五星知识达人网友:空山清雨
- 2021-01-06 02:41
4.8×0.56
=0.7×8×0.56
=0.7×4.48
=0.7×(4+0.4+0.08)
=2.8+0.28+0.056
=3.136
44×91.6
=(40+4)×91.6
=3664+366.4
=4030.4
=0.7×8×0.56
=0.7×4.48
=0.7×(4+0.4+0.08)
=2.8+0.28+0.056
=3.136
44×91.6
=(40+4)×91.6
=3664+366.4
=4030.4
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