问题 解答题
用简便方法计算
46.5×99+46.57.96+0.49-2.96.
答案

①46.5×99+46.5

=46.5×(99+1)

=46.5×100

=4650;

②7.96+0.49-2.96.

=7.96-2.96+0.49

=5+0.49

=5.49.

单项选择题
单项选择题