[40.5-(2.1+X)/0.3]*0.2=6.1
0.2(X-11)=12-0.3X
1-0.5x/0.3-2/3x=0.3x/0.2x+1
解方程一.0.2x=0.25x-18 二.0.3x+x=69
解方程 (x+x+三分之一x)乘以3=308 0.3x+0.2乘以(160-x)=36 x+10=40%乘以(36-x+
3x-2(4x+8)=2.4 6.5-(x+1.3)=2.2 0.2(x-4)=0.3(x-1
x-0.2x=80 求x
[40.5-(2.1+X)÷0.3]×0.2=6.1怎么做
解方程 【40.5-(2.1+X)/0.3】x0.2=6.1
2x-0.8×2.6=3.08-2x 2.4×0.2x=0.5x-2.4 5(0.2x-2.5)=2.1x
解方程 x+3.2=6.4 x-1.8=4 x-2=15 1.6x=6.4 x/7=0.3 x/3=2.1
解方程:2.1÷x=0.3 ,7.2-x=4.3,x-0.84x=0.8,30×(x÷4)=60 ,84+x=10.2
50+x-62,1.8x=7.2,2.1÷x=7,x÷7=0.3,x-4.5=6,15-x=8解此方程,