(38.5x2x2+38.5)x2简便计算
答案:4 悬赏:20 手机版
解决时间 2021-01-24 13:55
- 提问者网友:喧嚣尘世
- 2021-01-24 00:32
(38.5x2x2+38.5)x2简便计算
最佳答案
- 五星知识达人网友:七十二街
- 2021-01-24 01:49
(38.5x2x2+38.5)x2
=38.5x(4+1)x2
=38.5x5x2
=38.5x10
=385
=38.5x(4+1)x2
=38.5x5x2
=38.5x10
=385
全部回答
- 1楼网友:归鹤鸣
- 2021-01-24 04:28
括号前面4个38.5,后面1个,括号里一共5个38.5 x2即为10个38.5=385
- 2楼网友:大漠
- 2021-01-24 03:57
(38.5x2x2+38.5)x2
=38.5×(4+1)×2
=38.5×10
=385
=38.5×(4+1)×2
=38.5×10
=385
- 3楼网友:舊物识亽
- 2021-01-24 03:13
(38.5x2x2+38.5)x2简便计算
解:
(38.5x2x2+38.5)x2
=(38.5×4+38.5)×2
=38.5×8+38.5×2
=38.5×(8+2)
=38.5×10
=385
解:
(38.5x2x2+38.5)x2
=(38.5×4+38.5)×2
=38.5×8+38.5×2
=38.5×(8+2)
=38.5×10
=385
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