4.05/100X =10+17+ 2.25/100X

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4.05/100X=10+17+2.25/100X4.05/100X=10+17+2.25/100X4.05/100X=10+17+2.25/100X4.05/100X-2.25/100X=271.8

4.05/100X =10+17+ 2.25/100X
4.05/100X =10+17+ 2.25/100X

4.05/100X =10+17+ 2.25/100X
4.05/100X -2.25/100X=27
1.8/100x=27
2700x=1.8
x=18/27000=1/1500
你确定题目没错吗?