[x-(22+40%x)]/(22+40%x)=5/7怎么解,.
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[x-(22+40%x)]/(22+40%x)=5/7怎么解,.
[x-(22+40%x)]/(22+40%x)=5/7怎么解,.
[x-(22+40%x)]/(22+40%x)=5/7怎么解,.
[x-(22+40%x)]/(22+40%x)=[x/(22+0.4x)]-1=5/7
即,x/(22+0.4x)=12/7
12(22+0.4x)=7x
2.2x=22*12
解的 x=120
2x+(22-x)=40
3分之x+40%x等于22
x/3+40%x=22
40%x-29%x=22
35道.符号^代表平方.读起来就是(X的平方).1,x^-x-202,x^-9x+203,x^-9x-204,x^+9x+205,x^-18x+326,x^+14x-317,x^+18x+328,x^+14x-329,x^+19x+4810,x^+47x-4811,x^+13x-4812,x^+2x-4813,x^+26x+4814,x^-22x-4815,x^+17x+7216,x^+21x-10017,x^-x-7218,x
60+2x=185 7x+22=43 16+8x=40 4x-54=14 0.5x-1.2×5=3.8 (x+3)÷2=10.5 6x+4×6=72 5x-16.5×3=25 x+4.8x=29 12.5x-0.9x=52.2 6x+9x-12x=2.37 8x-6=70 12x+48=132 4x+8x=14.4 5.8x-1.6x=12.6 3x+2x×12=42 6(2x-6)=12.6....
[x-(22+40%x)]/(22+40%x)=5/7怎么解,.
几道很简单的数学题解方程x-78%x=22x+30%x=2630-40%x=152x+20%x=3.3(1-25%)x=15高分,快来
80到 解方程不是应用题 3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10 12x-9x=9 6x+18=48 56x
解一元一次方程(要有过程)3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10 12x-9x=9 6x+1
x-40%x=
解答解方程计算题100道就这几道:3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10 12x-9x=
2x(x-2)-x+22x(x-2)-3x+6(3x+2)-6x²-7x
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