0.99乘5.09的简便计算
问题描述:
0.99乘5.09的简便计算
答
=(1-0.01)*5.09
=5.09-0.0509
=5.0391
0.99乘5.09的简便计算
=(1-0.01)*5.09
=5.09-0.0509
=5.0391