来自韩云中的问题
【x-2/6-x+2/3=x-1/2+10.01+0.02x/0.03-1-0.3x/0.2=1】
x-2/6-x+2/3=x-1/2+1
0.01+0.02x/0.03-1-0.3x/0.2=1
1回答
2020-05-29 23:54
【x-2/6-x+2/3=x-1/2+10.01+0.02x/0.03-1-0.3x/0.2=1】
x-2/6-x+2/3=x-1/2+1
0.01+0.02x/0.03-1-0.3x/0.2=1
1:X-2/6-X+2/3=X-1/2+1两边同乘以6得:6X-2-6X+4=6X-3+6-6X=1X=-1/6.2:0.01+0.02X/0.03-1-0.3X/0.2=1每项都乘以100得:1+2X/3-100-30X/20=100两边同乘以60得:60+40X-6000-90X=600050X=-11940X=-238.8....