6.7x34 3.4x30 0.34x70的简便运算
答案:1 悬赏:40 手机版
解决时间 2021-03-09 06:57
- 提问者网友：棒棒糖
- 2021-03-09 03:05
6.7x34 3.4x30 0.34x70的简便运算
最佳答案
- 五星知识达人网友：往事隔山水
- 2021-03-09 03:46
原式
=6.7x34+3.4x30+0.34x70
=6.7x34+3.4x10x3+0.34x100x0.7
=6.7x34+34x3+34x0.7
=(6.7+3+0.7)x34
=10.4x34
=10x34+0.4x34
=340+13.6
=353.6
供参考。
=6.7x34+3.4x30+0.34x70
=6.7x34+3.4x10x3+0.34x100x0.7
=6.7x34+34x3+34x0.7
=(6.7+3+0.7)x34
=10.4x34
=10x34+0.4x34
=340+13.6
=353.6
供参考。
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