1/2X+12:1/2X-12=13:12
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1/2X+12:1/2X-12=13:12
![1/2X+12:1/2X-12=13:12](/uploads/image/z/20293379-35-9.jpg?t=1%2F2X%2B12%3A1%2F2X-12%3D13%3A12)
1/2X+12:1/2X-12=13:12 怎么解|?
13x/2-12×13=12x/2+12×12;
x/2=12×(12+13);
x/2=12×25;
x=24×25;
x=600;
13x/2-12×13=12x/2+12×12;
x/2=12×(12+13);
x/2=12×25;
x=24×25;
x=600;
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