x+1.8x=15.68怎么解?
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x+1.8x=15.68怎么解?x+1.8x=15.68怎么解?x+1.8x=15.68怎么解?x+1.8x=15.682.8x=15.68x=15.68÷2.8x=5.6(1+1.8)x=15.68
x+1.8x=15.68怎么解?
x+1.8x=15.68怎么解?
x+1.8x=15.68怎么解?
x + 1.8x =15.68
2.8 x = 15.68
x = 15.68 ÷ 2.8
x = 5.6
(1+1.8)x=15.68
2.8x=15.68
x=15.68÷2.8
x=5.6
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