18+120%X=24
X+120%X=44 30%X-18=54
X^3-7X^2+18X-24=0
24:x=36:18,x=?
x+3分之2 x=60 x-5分之3x=120 4x+18x=132
x+2/3x=60 x-3/5x=120 4x+18x=1
(x-22)+(x-24)+(x-27)+(x-20)=x
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
求几道解方程数学题60%x+25=40 x+30%x=52 19-120%x=7 x-10%x=18 (1-25%)x=
问18x+37=51.4 x=?9x-7x=50 x=?5x+6x=16.94 x=?12x/4=24 x=?
x(120+x)*80%=x-76
9.8x-10=8x+8 150x=120(9-x) 30+5x=7x-24 4.5x x2+5x=28 5x-2.6=
14X-8X=12 20X-50=50 28+6X=88 24-3X=3 99X=100-X X+3=18 X-6=12