0.2(x-3)=0.1(x-1)+0.01
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0.2(x-3)=0.1(x-1)+0.010.2(x-3)=0.1(x-1)+0.010.2(x-3)=0.1(x-1)+0.010.2(x-3)=0.1(x-1)+0.010.2x-0.6=0.1
0.2(x-3)=0.1(x-1)+0.01
0.2(x-3)=0.1(x-1)+0.01
0.2(x-3)=0.1(x-1)+0.01
0.2(x-3)=0.1(x-1)+0.01
0.2x-0.6=0.1x-0.1+0.01
0.2x-0.1x=0.6-0.1+0.01
0.1x=0.51
x=5.1
孩子,作业还是要自己做。。。
5.1
5.1
0.2(x-3)=0.1(x-1)+0.01
0.2x-0.6=0.1x-0.1+0.01
0.2x-0.1x=0.6-0.1+0.01
0.1x=0.51
x=5.1
0.1 (X-3)=1 x-3=10 x=13 0.1×x-0.1×3=1.2-0.2 0.1x-0.3=1 0.1x=1+0.3=1.3 x=1.3÷0.1 x=13 x=13