(7.7+1.54)除0.7如何简便计算
问题描述:
(7.7+1.54)除0.7如何简便计算
答
{7.7➗0.7}➕(1.54➗0.7)
答
7.7÷0.7+1.54÷0.7
答
7.7除0.7加1.54除0.7