X-0.25X=3950怎么解
X-0.25X=3950
(1-0.25)X=3950
0.75X=3950
X=3950÷0.75
X=15800/3
本题:x-0.25x=3950
0.75x=3950
x=3950/0.75
x=15800/3≈5266.67
x-0.25x=3950
0.75x=3950
x=3950*4/3
x=15800/3【假分数】
x=(5266+2/3)【带分数】
x-0.25x=3950
0.75x=3950
x=15800/3
X-0.25X=3950
0.75X=3950
X=5266.666666666667=15800/3
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