0.3(x+4)=120 (x-25)÷6=7 8(x-12)=144 (x+9)÷3=13 12x-12=0 0.5(2x+4)=4.2解方程
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![0.3(x+4)=120 (x-25)÷6=7 8(x-12)=144 (x+9)÷3=13 12x-12=0 0.5(2x+4)=4.2解方程](/uploads/image/z/227557-37-7.jpg?t=0.3%28x%2B4%29%3D120+%28x-25%29%C3%B76%3D7+8%28x-12%29%3D144+%28x%2B9%29%C3%B73%3D13+12x-12%3D0+0.5%282x%2B4%29%3D4.2%E8%A7%A3%E6%96%B9%E7%A8%8B)
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0.3(x+4)=120 (x-25)÷6=7 8(x-12)=144 (x+9)÷3=13 12x-12=0 0.5(2x+4)=4.2解方程
0.3(x+4)=120 (x-25)÷6=7 8(x-12)=144 (x+9)÷3=13 12x-12=0 0.5(2x+4)=4.2解方程
0.3(x+4)=120 (x-25)÷6=7 8(x-12)=144 (x+9)÷3=13 12x-12=0 0.5(2x+4)=4.2解方程
1、0.3(x+4)=120
x+4=400
x=396
2、(x-25)÷6=7
x-25=42
x=67
3、8(x-12)=144
x-12=18
x=30
4、(x+9)÷3=13
x+9=39
x=30
5、12x-12=0
12x=12
x=1
6、0.5(2x+4)=4.2
2x+4=8.4
2x=4.4
x=2.2
0.3+0.3x=0.39 x= 2x-1.5x=7.6x x= 0.36x÷0.3=1.2 x=6(x+1.2)=18.6 x= 7x+2x = 8.1 x= (x-5)÷3=1.7 x=5(x+1.1)=15.5 x= 9x+25=70 x= 7x-4x=2.1 x=
0.5X+120+0.3X=X
x-2x+3x-4x+5x.+99x-100x=25求解
25%X+三分之一X+120=X
x-x/4-120=x/2
化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4
0.3(x+4)=120 (x-25)÷6=7 8(x-12)=144 (x+9)÷3=13 12x-12=0 0.5(2x+4)=4.2解方程
4x-5=25-9x+x 求x?
60%x+25=40 x+30%x=52 19-120%x=7 4分之3x-5%x=17.5 x-10%x=18 (1-25%)x=36 2x+30%x=9.2
解方程:x-2x+3x-4x+...+99x-100x=25
解方程:x-2x+3x-4x+.+99x-100x=25
x-2x+3x-4x+...+99x-100x=25
x+x÷2+x÷3+x÷4=25这个方程怎么算
8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
12—120%X=6 5分之3X—5%X=5.5 (1+25%)X=7.5 X—30%X=91 4%X+6%X=29.4 X+25%X=8.75
2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2
2x^2-4x/x+2`x^2+2x/x^2-4x+4÷x/3x-6,其中x=根号3/2
x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3