45x0.625—0.625 56x62.5怎么简算
答案:1 悬赏:50 手机版
解决时间 2021-11-20 19:54
- 提问者网友：流星是天使的眼泪
- 2021-11-20 10:05
45x0.625—0.625 56x62.5怎么简算
最佳答案
- 五星知识达人网友：酒安江南
- 2021-11-20 11:06
45x0.625—0.625 56x62.5怎么简算
=45*0.625-0.625+5600*0.625
=（45-1+5600）*0.625
=3527.5
如果题目修改为45x0.625-0.625+0.56x62.5
=45*0.625-0.625+56*0.625
=（45-1+56）*0.625
=100*0.625
=62.5
=45*0.625-0.625+5600*0.625
=（45-1+5600）*0.625
=3527.5
如果题目修改为45x0.625-0.625+0.56x62.5
=45*0.625-0.625+56*0.625
=（45-1+56）*0.625
=100*0.625
=62.5
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