5.5×5.8+5.2x5.5-5.5用简便计算

5.5×5.8+5.2x5.5-5.5用简便计算
2025-02-24 03:15:10
推荐回答(1个)
回答1:

5.5×5.8+5.2x5.5-5.5

=5.5×(5.8+5.2-1)

=5.5×10
=55