13.2×5÷13.2×5+25×99简便计算
问题描述：
13.2×5÷13.2×5+25×99简便计算
答
13.2×5÷13.2×5+25×99
=（13.2÷13.2）x5x5+25x99
=25+25x99
=25x(1+99)
=25x100
=2500