X÷0.6=12.5×6.
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X÷0.6=12.5×6.
X÷0.6=12.5×6.
X÷0.6=12.5×6.
设需要X千克油漆.由题意知:X÷0.6=12.5×6.4解得X=48答:需要48千克的油漆.
X÷0.6=12.5×6.4
X÷0.6=80
x=80×0.6
x=48
X÷0.6=12.5×6.4
两侧同乘0.6 得:X=12.5*6.4*0.6
X=48
X=12.5X6.4X0.6
=7.5X6.4
=48
X÷0.6=12.5×6.急
X÷0.6=12.5×6.
x-x/5=2.4 (求未知数x) 12÷5%x=8 4x+x=12.5
(x+x)+(x-x)+(x*x)+(x÷x)=81
1.x²+3x/x²+2x -x²-4/x²+4x+4 2.a²/a+b-a+b 3.(1-1/a-2)÷3-a/2a-44.(x-1/y)÷(y-1/x) 5.3-x/x-4+1/4-x=1 6.x-2/x+2-1=3/x²-4 7.5/x-1=1/x+38.x+1/x-2+x+2/x-1=2
X÷48%=X+(X+32)
化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4
X-12.5%X=(56-X)+12.5%X
解方程 4x-5×6=12 8x-3x=15.630×(x÷4)=60 7.2×0.5-3x=1.2 1.5x+x=12.5 5x+21×3=2x
x+12.5=3.5x
x+12.5=3.5x
x+12.5=3.5x
12.5%x+1=x
12.5%x+1=x
12.5-0.25X=X
6x-x=12.5
3.5x+x=32.4 0.6x(x+0.6)=0.6 25%x-20%=1.8 20%x÷15%=2
3÷(9x-60-2x)=0.3| 6x-3.2=4x| 0.6x+5+0.4x=25.5| 20+8(4-x)=20| 47x-6=7x+4|