用简便方法计算：1v1{5Z5Z,])p6|;m4d/K
0.99+9.9×9.9-900%1v1{5Z5Z,])p6|;m4d/K
算式：提示:f.]+Z9T(?2o2n7n2h;i:l)B1v1{5Z5Z,])p6|;m4d/K
=3r7?7n7\9K,e){+E1v1{5Z5Z,])p6|;m4d/K