4.73+2.99的简便运算
问题描述:
4.73+2.99的简便运算
答
4.73+2.99
=4.73+3-0.01
=7.73-0.01
=7.72
4.73+2.99的简便运算
4.73+2.99
=4.73+3-0.01
=7.73-0.01
=7.72