4(0.77X-1.17-0.6)²=4(0.77X-1.77-3+0.7)(X-3)-2.5(X-3)&su
1个回答
1.7916x^2-0.3832x-13.8084=0
即4479x^2-958x-34521=0
x1=2.885,x2=-2.671
相关问题
2.3x5.6+77x0.56
0.1X+X=77 求X 0.1X=77-X
6.75x2.3+6.75x0.77
x-1+x+2+x/3+4x=77
1-22-3-3-4-5-65-6-77-788-0=
口算.1+7.9= 0.77-0.7÷10= 0.36+0.3= 7.3+5= 15-0.5= 5.7-4.3= 6.7
4x²-1≥0 x-x²+6<0 x²+x+3≥0 x²+x-6<0 2x&su
问几道解方程x/6-x=(x-3)/6x-1=1/2x+1/4x+1/8x+1/16x+1/32x77/x=2.5*77
1/2x+3=1/3x+2 0.5x-0.7=6.5+0/2x 1-7/3x=2/3x+19 0.4x-1/4=8-1/
解方程:3x+2x=17 5.4+0.6x=7.8 2x+1/3=1/2 3x+1.5=4.5 6+3x=36 1+0.