48+48*16+480用简便方法计算

48+48*16+480用简便方法计算
2025-04-06 10:17:22
推荐回答(2个)
回答1:


如图

回答2:

48+48x16+480
=48+48x16+48x10
=48x(1+16+10)
=48x(30-3)
=48x30-48x3
=1440-144
=1296