列方程解 5x-7.2+2.8=35.6
问题描述:
列方程解 5x-7.2+2.8=35.6
答
5x=7.2-2.8+35.6
5x=40
x=8
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答
5x=40
x=8
答
5x-7.2+2.8=35.6
5x-4.4=35.6
5x=35.6+4.4
5x=40
x=8