0.48x+12=48,解方程

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0.48x+12=48,解方程

0.48x+12=48,解方程
0.48x+12=48,解方程

0.48x+12=48,解方程
0.48x+12=48
0.48x=48-12
0.48x=36
x=36/0.48
x=75

0.48x+12=48
0.48x=48-12
0.48x=36
x=36/0.48
x=75 

 

0.48x+12=48
0.48x=36
x=75

0.48x=48-12 (交换律)
0.48x=36
x=36÷0.48
x=75

0.48x+12=48
0.48x=48-12
0.48x=36
x=36/0.48
x=75
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0.48x=48-12
0.48x=36
x=75

0.48x=36
x=75