$-8(2x-y)-{7x-[6x+2y-(10x-8y)]}_知道$

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-8(2x-y)-{7x-[6x+2y-(10x-8y)]}

学习时间:2026-08-15 07:48:10 阅读：9053

-8(2x-y)-{7x-[6x+2y-(10x-8y)]}等于多少?

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搞怪的樱桃

背后的电话

2026-08-15 07:48:10

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-8(2x-y)-{7x-[6x+2y-(10x-8y)]}=-16x+8y-[7x-(6x+2y-10x+8y)]=-16x+8y-(7x-6x-2y+10x-8y)=-16x+8y-7x+6x+2y-10x+8y=-19x+18y=18y-19x

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2026-08-15 07:48:10
-8(2x-y)-{7x-[6x+2y-(10x-8y)]}=-16x+8y-[7x-(6x+2y-10x+8y)]=-16x+8y-(7x-6x-2y+10x-8y)=-16x+8y-7x+6x+2y-10x+8y=-19x+18y=18y-19x

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