1.8/(3x-0.4)=0.6

0.4x-0.6=0.2x-1.8 0.4x-0.6=0.2x-1.8 1.8-0.4x=0.2x-0.6 x/0.5-0.4x-0.6/0.2=2(-x+3) 解方程 13x-8+(10-3x)=34 1.8+6-(1.5+0.4x)=8.7 55%x-(0.25+0.6)=1.6 3x+50%(30-x)=35 3(x+2)-2(x-3)=16 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 x-2-2-x/2=x-2/3 x-0.6/0.4+x=0.1x+1/0.3 计算9/5[5/9(1/2x-1/3)-7]-3/2x=2 (3x-1.8)/0.6-(2x-0.8)/0.4=(1.2-x)/0.3 1.8/(3x-0.4)=0.6 x^2+3x-1.8=x x=? 9.8x-10=8x+8 150x=120(9-x) 30+5x=7x-24 4.5x x2+5x=28 5x-2.6=3x+(1.8-0.4)用方程解 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 5x-4x=2*1.8,5x-2+3x=3.6,x+4x=20.3,8x+10-3x=30,10.5-0.5x+0.5=1,x+2x+5x=10,解方程,5x-4x=2*1.8,5x-2+3x=3.6,x+4x=20.3,8x+10-3x=30,10.5-0.5x+0.5=1,x+2x+5x=10,0.8x-0.2+1.2x=1.8,2.4x+0.6+1.6=8 (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5x-0.4/0.3 +1.3-3x/2 =1.8-8x/25x-0.4/0.3 +1.3-3x/2 =1.8-8x/2 用公式法解下列方程1.3x²-1=8x,2.x²-3x-1=0,3.（2x+1）（x-3）=-6x,4.x=0.4-0.6x² 3÷（9x-60-2x）=0.3| 6x-3.2=4x| 0.6x+5+0.4x=25.5| 20+8（4-x）=20| 47x-6=7x+4| 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