你能用巧妙的方法计算下题吗?:23x36+36x19+42x64
答案:5 悬赏:80 手机版
解决时间 2021-03-21 22:57
- 提问者网友:喧嚣尘世
- 2021-03-21 06:14
你能用巧妙的方法计算下题吗?:23x36+36x19+42x64
最佳答案
- 五星知识达人网友:詩光轨車
- 2021-03-21 07:01
23x36+36x19+42x64
=36x23+36x19+42x64
=36x(23+19)+42x64
=36x42+42x64
=42x36+42x64
=42x(36+64)
=42x100
=4200
=36x23+36x19+42x64
=36x(23+19)+42x64
=36x42+42x64
=42x36+42x64
=42x(36+64)
=42x100
=4200
全部回答
- 1楼网友:白昼之月
- 2021-03-21 10:25
23×36+36×19+42×64
=23×36+19×36+(23+19)×64
=36(23+19)+64(23+19)
= (36+64)(23+19)
=100×42
=4200
=23×36+19×36+(23+19)×64
=36(23+19)+64(23+19)
= (36+64)(23+19)
=100×42
=4200
- 2楼网友:洒脱疯子
- 2021-03-21 09:56
=36*(23+19)+42*64
=36*42+42*64
=(36+64)*42
=100*42
=4200
=36*42+42*64
=(36+64)*42
=100*42
=4200
- 3楼网友:封刀令
- 2021-03-21 09:17
=(23+19)×36+42×64
=42×36+42×64
=42×(36+64)
=42×100
=4200追答请点采纳,谢谢
=42×36+42×64
=42×(36+64)
=42×100
=4200追答请点采纳,谢谢
- 4楼网友:时间的尘埃
- 2021-03-21 08:02
23x36+36x19+42x64
=36x(23+19)+42x64
=36x42+42x64
=42x(36+64)
=42x100
=4200
=36x(23+19)+42x64
=36x42+42x64
=42x(36+64)
=42x100
=4200
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