80%[(1+40%)x]=224
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80%[(1+40%)x]=224
80%[(1+40%)x]=224
80%[(1+40%)x]=224
80℅[(1+40℅)x]=224
0.8×1.4x=224
1.12x=224
x=224÷1.12
x=200
80%[(1+40%)x]=224
(x+40%x)乘以80%=224
[1-x][200+0.1分之40x]=224
解方程 90-20%x=80 x-25%x=21 x+60%x=3.2 70%x+46=60 (1-75%)x=36 3x+40%x=23.8
解方程 x-1%x=19.8x-40%x=15x+25%x=2.550%x+x=31.5x-15%x=8.5
解方程,亲们帮帮忙!2/3+50%x=1.6 x=?x-40%x=0.96 x=?4/5x-1/2x=6.4 x=?80%x-0.6x=0.12 x=?1/2(x-80%)=0.6 x=?4(x+1/4)=16 x=?40%+20%x+7.2 x=?5/6(x-40%)=2
方程(1+40%)*80%x=15.x=?
80%*(1=40%)x-x=15cc
解方程:(1+40%)x×80%=15+x
(1+40%)X乘80%-X=15怎么算
X×(1+40%)×80%-X=300怎么算
(1+40%)乘以X乘以80%—X=15
(1+40%)x*80%=x+270 怎么算,
(1+40%)乘以X乘以80%—X=15 (1+40%)乘以X乘以80%—X=15
X(X-1)=X
解分式方程:1/X-2+1/X-6=1/X-7+1/X-11/X-2+1/X-6=1/X-7+1/X-11/(x-2)-1/(x-1)=1/(x-7)-1/(x-6)(x-1-x+2)/(x-2)(x-1)=(x-6-x+7)/(x-7)(x-6)1/(x-2)(x-1)=1/(x-7)(x-6)(x-2)(x-1)=(x-7)(x-6)x^2-3x+2=x^2-13x+4213x-3x=42-210x=40x=4 为什么要移向才能解
[(1+50%)x+(1+40%)*(360-x)]*80%-360=56求x
解方程:(x+40%x)×80%-x=15