0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
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0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/20.2x+0.5/0.5-0.03+0.02x/0.03=x-5/20.2x+0.5/0.5-0.03+0.02x/0.03=x-5
0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2 0.2x/0.5+1-1-0.02x/0.03=x-5/2 2x/5-2x/3=x-5/2 12x-20x=15x-75 23x=75 x=75/23
x-30-0.2x=0.5x
0.02x-0.01/0.03-0.4x+0.2/0.5-3X+2/4=-3求x
0.5/0.2x+0.5=4+0.03/0.03+0.02x
解方程.（0.5x+2)/0.03-x=[0.3(0.5x+2)]/0.2解方程.（0.5x+2)/0.03-x=[0.3(0.5x+2)]/0.2
0.2x+0.5/0.5--0.03+0.12x/0.3=x-6/2（0.2x+0.5)/0.5-（0.03+0.12x)/0.3=（x-6)/2
0.4x-2.1/0.5-0.5-0.2x/0.03=0.6
0.5x+2/0.03-x=0.3(0.5x+2)/0.20.5x+2/0.03-x=0.3(0.5x+2)/0.2
3分之2X+1=1 0.2X+0.5-0.03+0.02X=2分之X-5 0.03分之0.1X-0.2-0.5分之2X+1=3 6【X-2（X-1]）】=2（X-3
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-6
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6
(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
0.5x+2/0.03-x=0.3(0.5x+2)/0.2
[0.05x+0.2]/0.03-x={0.3[0.5x+2]}/0.2
x-3/2x+1=1 x-2/6-x+2=x-1/2+1 0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
解不等式(4x-1.5)/0.5-(5x-0.8)/0.2>(1.2-x)/0.