(0.1x-0.3)/0.3-(2x＋1)/0.2=1.2解方程

(x+1)/0.3-2x=(0.1x+0.2)/0.05 x-2-2-x/2=x-2/3 x-0.6/0.4+x=0.1x+1/0.3 (x/5+4/5)-x+5=(0.1x/0.3)+1-(x/2-1) x+1 0.1x+0.2 _____ -2x = _____ 0.3 0.05x+1 0.1x+0.2 0.3 0.05 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 0.3x＋7x-0.25x=21.58.7×(36-x)=04（不知道是x还是× 都解了吧）x或者×(x＋0.2)=1.27(x＋6)-3x=4x(2x＋5)3(x＋2)=4(x＋1)18-4x=2x-63.8x＋1.2x=256x＋1.5x=15呼呼.累死我了 着急 (x-0.6)/0.4+x=(0.1x+1)/0.3 (x-0.6)/0.4-x=(0.1x+1)/0.3 0.3(x+1)+0.25(100-x)=2/5x 快进来!1.x+4/0.2-x-3/0.5=-1.3 2.2x-1/2-2x+5/3=10x-17/4+1 3.0.3-30x/0.1.x+4/0.2-x-3/0.5=-1.32.2x-1/2-2x+5/3=10x-17/4+13.0.3-30x/0.3-6.5=3（5-2x）/0.05=-11/24.x=1+x/2+x/4+x/8+x/16 2x-8.2=1-0.3x (x+1)×(x-1)-2>x×(x+3)解不等式 0.2x-0.3／0.2-x+1／6＜1 (x+1)/2-(2-3x)/3=1 2－(2x-4)/3 ＝－(x-7)/6 (2x＋1)/3－(5x－1)/6＝1 (0.1-0.2x)/0.03-1=(0.7-x)/0.4( 0.3x+0.7)/0.6-(0.2x-0.4)/0.8=1 (0.1x-0.3)/0.03=(2x+1)/0.2+1.2 0.1x-0.3除以0.03-2x+1除以0.2 (0.2x+0.1)/0.3-(3x-2)/6=1 0.1x-0.3除以0.03-2x+1除以0.2 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