36 + X/36 + X + 204*100% = 30%怎么解?
问题描述:
36 + X/36 + X + 204*100% = 30%怎么解?
答
36+x/36+x+204×100%=30%
36+x/36+204=0.3
x/36+240=0.3
x/36=0.3-240
x/36=-239.7
x=-239.7×36
x=8629.2
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