0.25(X+3)-5=12求答
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0.25(X+3)-5=12求答
0.25(X+3)-5=12求答
0.25(X+3)-5=12求答
化简出来 得0.25x+.0.75-5=12 继续化简 0.25x+0.75=17 0.25x=16.25 则x=65
(0.5+0.25+0.125)x+3.75=x
0.875x+3.75=x
x-0.875x=3.75
0.125x=3.75
x=30
0.25(X+3)-5=12求答
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