6x-12.6=18(怎么解,,
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6x-12.6=18(怎么解,,
6x-12.6=18(怎么解,,
6x-12.6=18(怎么解,,
6x-12.6=18
6X=18+12.6
6x=30.6
x=5.1
6x-12.6=18
6x=12.6+18
6x=30.6
x=30.6÷6
x=5.1
6x=12.6+18
6x=30.6
x=30.6/6
x=5.1
同除以6变成x-2.1=3,x=5.1
6x=18-12.6
6x=5.4
x=0.9
6x=30.6 x=5.1