给加数加括号，先算括号里面的如下11.3－（7.2+1.5）×0.6=11.3－8.7×0.6=11.3－5.22=6.08望采纳。谢谢！
11.3 -（7.2+1.5）× 0.6
=11.3-8.7×0.6
=11.3-5.22
=6.08
