4.95×7.6=
49.5×=3.762
7×=34.65
10.8÷91 0.06÷0.360.06×0.36
a÷9.9a(a>0) 7.9×9.980
3.7×2.06= 2.7÷0.18=
1元人民币可以
兑换1.18元港币