35×0.45+3.5×0.055简便运算
答案:3 悬赏:40 手机版
解决时间 2021-01-17 16:31
- 提问者网友:浪荡绅士
- 2021-01-17 10:00
35×0.45+3.5×0.055简便运算
最佳答案
- 五星知识达人网友:动情书生
- 2021-01-17 11:00
35×0.45+3.5×0.055
=35×(0.45+0.0055)
=35×0.4555
=30×0.4555+5×0.4555
=13.665+2.2775
=15.9425
=35×(0.45+0.0055)
=35×0.4555
=30×0.4555+5×0.4555
=13.665+2.2775
=15.9425
全部回答
- 1楼网友:长青诗
- 2021-01-17 13:04
图
- 2楼网友:荒野風
- 2021-01-17 12:27
简便运算
35×0.45+350×0.055
=35×0.45+35×0.55
=35×(0.45+0.55)
=35×1
=35
35×0.45+350×0.055
=35×0.45+35×0.55
=35×(0.45+0.55)
=35×1
=35
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