360/X-360/(1+50%)X=2 360/X-360/(1+50%)X=2
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360/X-360/(1+50%)X=2360/X-360/(1+50%)X=2360/X-360/(1+50%)X=2360/X-360/(1+50%)X=2360/X-360/(1+50%)X=2
360/X-360/(1+50%)X=2 360/X-360/(1+50%)X=2
360/X-360/(1+50%)X=2
360/X-360/(1+50%)X=2
360/X-360/(1+50%)X=2 360/X-360/(1+50%)X=2
1.等式两边同除以2:180/X-180/1.5X=1
2.等式两边同乘X,化简得180-120=X
3.所以X=60
够详细么?
先通分再求解
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
X.(X十1)x(X十2)x(x十3) =360
360/X-360/(1+50%)X=2
360/X-360/(1+50%)X=2 360/X-360/(1+50%)X=2
则么算(x-3)*(x-2)*(x-1)*x=360
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