5⼀9×5×18简便计算

5/9×5×18简便计算
2024-11-02 21:43:41
推荐回答(1个)
回答1:

=5/9*5*9*2
=5/9*9*5*2
=5*2*5
=10*5
=50
希望能帮到你!