求值 1)已知3m=6,3=2,求32m-3m的值
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解决时间 2021-03-27 17:46
- 提问者网友：缘字诀
- 2021-03-27 06:02
求值 1)已知3m=6,3=2,求32m-3m的值
最佳答案
- 五星知识达人网友：雾月
- 2021-03-27 06:28
========87
全部回答
- 1楼网友：拜訪者
- 2021-03-27 07:09
解:已知3m=6，m=2，3=2
32m-3m=32m-6
=32m一2X3
=32m-2X2
=32m-4
=24m十8m一4
=8(3m)十2(3m)十2m一4
=8X6十2X6十3m一m一4
=48十12十6一m一4
=60十6一4一m
=62一m
=62一2
=60
32m-3m=32m-6
=32m一2X3
=32m-2X2
=32m-4
=24m十8m一4
=8(3m)十2(3m)十2m一4
=8X6十2X6十3m一m一4
=48十12十6一m一4
=60十6一4一m
=62一m
=62一2
=60
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