3x-1.2x=363x-1.2x=363x-1.2x=363x-1.2x=363x-1.2x=36

3x-1.2x=363x-1.2x=363x-1.2x=363x-1.2x=363x-1.2x=36 （X+X)+(X-X)+(X*X)+(X/X)=100 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. 3X-18=13.2 1.5X-X=6 4X+1.2X=26 x+1.5x=7500 x-0.85x=3 4x-1.2=74 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 1.2x=x+20 1.2X-30=X 1.2x-x=0. x-1.2x=9.6 x-40%x=1.2 x*x*x*x*x=80000? 解方程:x/4=30% 36/x=3/4 10/x=2.5/0.8 x/4=1.2/5 X/1.2=1.5/0.6 x/0.4=1.5/6 x/7=0.6/3.5 x/10=0.1/25-3x=8x+1 2(x-2)+2=x+1 3-x=2-5(x-1) 3x=5(32-x) 7(4-x)=9(x-4) 7x-8=2x+27 5x-18=3-2x (7x-4)+3(x-2)=2x+6 2(3x-4)+(4-x)=4x我是六年级的学生,我希望 x+x=() x*x=() x-0.8x=() 1.2*2y=() 解方程 8.4x+x=1.2（3+x） x-3x-1.2=4.8-5x 0.8x+3=1.2x+0.2怎么求x 3x*x=1600+x*x-80x