7.2x-2x=41.6解方程

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7.2x-2x=41.6解方程7.2x-2x=41.6解方程7.2x-2x=41.6解方程7.2x-2x=41.6(7.2-2)x=41.65.2x=41.65.2x÷5.2=41.6÷5.2x=87

7.2x-2x=41.6解方程
7.2x-2x=41.6解方程

7.2x-2x=41.6解方程
7.2x-2x=41.6
(7.2-2)x=41.6
5.2x=41.6
5.2x÷5.2=41.6÷5.2
x=8

7.2x-2x=41.6
5.2x=41.6
x=8

7.2x-2x=41.6
5.2x=41.6
x=8

7.2x-2x=41.6
5.2x=41.6
x=8