1500x=750.5-x 等于多少

问题描述:

1500x=750.5-x 等于多少

1500x+x=750.5
1501x=750.5
x=750.5/1501
x=1/2

1500x=750.5-x
1500x+x=750.5
1501x=750.5
x=750.5÷1501
x=0.5
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1500x=750.5-x
1500x+x=750.5
1501x=750.5
x=750.5÷1501
x=0.5
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