12x+10(x+11)=660怎么解
问题描述:
12x+10(x+11)=660怎么解
答
22X=550
X=25
答
12x+10x+110=660
22x=550
x=25
答
12x+10(x+11)=660
12x+10x+110=660
22x=550
x=550/22
x=25
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