(4.23+6.17)720.8用简便方法计算
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解决时间 2021-03-29 09:07
- 提问者网友：感性作祟
- 2021-03-28 19:58
(4.23+6.17)720.8用简便方法计算
最佳答案
- 五星知识达人网友：动情书生
- 2021-03-28 21:37
(4.23+6.17)720.8
=10x720.8+0.4x720.8
=7208+288.32
=7496.32
=10x720.8+0.4x720.8
=7208+288.32
=7496.32
全部回答
- 1楼网友：猎心人
- 2021-03-28 22:16
(4.23+6.17)720.8
=10.4*720.8
=（10+0.4）*720.8
=10*720.8+0.4*720.8
=10*720.8+4*72.08 ......这一行可省略
=7208+288.32
=7496.32
=10.4*720.8
=（10+0.4）*720.8
=10*720.8+0.4*720.8
=10*720.8+4*72.08 ......这一行可省略
=7208+288.32
=7496.32
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