一、脱式计算。(能简便的要简便) (0.2+6.37÷0.7)×0.5
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解决时间 2021-03-26 23:56
- 提问者网友：斑駁影
- 2021-03-26 06:49
一、脱式计算。(能简便的要简便) (0.2+6.37÷0.7)×0.5
最佳答案
- 五星知识达人网友：不如潦草
- 2021-03-26 07:09
全部回答
- 1楼网友：鸽屿
- 2021-03-26 10:26
是分开的三道吗追问是追答额，你已经采纳了😂
- 2楼网友：神的生死簿
- 2021-03-26 09:47
1.
（0.2+6.37÷0.7）×0.5
=(0.2+9.1)×0.5
=9.3×0.5
=4.65追答2.
5.7×2.9+4.3×2.9
=(5.7+4.3)×2.9
=10×2.9
=29
（0.2+6.37÷0.7）×0.5
=(0.2+9.1)×0.5
=9.3×0.5
=4.65追答2.
5.7×2.9+4.3×2.9
=(5.7+4.3)×2.9
=10×2.9
=29
- 3楼网友：山君与见山
- 2021-03-26 09:06
亲，先把我列入满意答案，再告诉你怎么做？追答😁
- 4楼网友：琴狂剑也妄
- 2021-03-26 08:30
(0.2+6.37÷0.7)×0.5
=0.2×0.5+6.37÷0.7×0.5
=0.1+9.1×0.5
=0.1+4.55
=4.65
5.7×2.9+4.3×2.9
=（5.7+4.3） ×2.9
=10×2.9
=29
1.6×1.25×2.5
=2×2.5
=5
10.1×4.8
=（10+0.1）×4.8
=10×4.8+0.1×4.8
=48+0.48
=48.48
=0.2×0.5+6.37÷0.7×0.5
=0.1+9.1×0.5
=0.1+4.55
=4.65
5.7×2.9+4.3×2.9
=（5.7+4.3） ×2.9
=10×2.9
=29
1.6×1.25×2.5
=2×2.5
=5
10.1×4.8
=（10+0.1）×4.8
=10×4.8+0.1×4.8
=48+0.48
=48.48
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