3.5*0.94+7.8*0.53巧算
答案:2 悬赏:80 手机版
解决时间 2021-11-27 23:52
- 提问者网友:心如荒岛囚我终老
- 2021-11-27 16:16
3.5*0.94+7.8*0.53巧算
最佳答案
- 五星知识达人网友:刀戟声无边
- 2021-11-27 16:35
3.5*0.94+7.8*0.53
=3.5*0.94+3.9*2*0.53
=3.5*0.94+3.9*1.06
=3.5*0.94+(3.5+0.4)*1.06
=3.5*0.94+3.5*1.06+0.4*1.06
=3.5(0.94+1.06)+0.424
=3.5*2+0.424
=7.424
=3.5*0.94+3.9*2*0.53
=3.5*0.94+3.9*1.06
=3.5*0.94+(3.5+0.4)*1.06
=3.5*0.94+3.5*1.06+0.4*1.06
=3.5(0.94+1.06)+0.424
=3.5*2+0.424
=7.424
全部回答
- 1楼网友:摆渡翁
- 2021-11-27 16:46
如果是3.9就可以
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