(5x-0.3)/0.4=(3x-1.2)/0.6-(1.8-8x)/1.2得数是什么,可以用分数,

解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.31.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0 0.3x+7x-0.25x=21.15 x+7=2x+3 1.2x+1=0.01x+三分之五 4x-26=3x+4 6x+2=5x+110.3x+7x-0.25x=21.15x+7=2x+31.2x+1=0.01x+三分之五4x-26=3x+46x+2=5x+114(x+1)=x+10 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!)+. 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= 1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3如何计算结果X=11/5? 5x-0.3/0.4=3x-12/0.6-1.8-8x/1.2 x-9/6-2+x/3+1=x- x-2/4 这里是两道题 前一道 至8x/1.2为止 2分之x-1.2分之8x-16.6=0.3分之5x-0.4-x 1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0 1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3我急 (1.8-8x)/1.2-(1.3-3x)/2-(5x-0.4)/0.3=0 1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0 1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0 （5x-0.4）/0.3+（1.3-3x）/2=（1.8-8x）/1.2 3x-2=5-x 1.2x=-0.3x 怎样用等式的性质解 x/3+(100-x)*2=100解方程x/3+(100-x)*2=100 2(x-3)+3(2x-1)=5(x+3) 7-x/4=x-3 4(x+5)=2-3(2x-7) 3(x+13)-5(1-x)=13(x-1) 3(x-2)=2-5(x-2) 3(x+1)-2(x+2)=2x-3 3(x-2)+1=x-(2x-1) x/2=3x-1 3/4x-0.4=1/2x+0.3 3-1.2x=4/5x-12 1/2(x-3)=2-1/2(x-3) 4(2x-1)-2(x-1)=22 5 1、0.3X-0.4X=0.5 2、5X-2.5X+3.5X=-18 3、X-2/5X=-3+6解这些一元一次方程, 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 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