10-X/6=5+X/7
X/7+X/6=10-5
(13/42)X=5
X=5÷13/42
X=16又2/13
10-X/6=5+X/7 X是多少?
10-X/6=5+X/7 X是多少?
數(shù)學(xué)人氣:516 ℃時(shí)間:2020-05-20 07:19:20
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