0.6+0.6g=(0.11-g)*11.28=0.0539
11=60/1128(1+g)+100g; 同乘以10012408=60+60g+112800g; 同乘以1128 12408-60=112860g;g≈11%其实中括号里的结果可以看做接近0的数,结果也是g=11%;