这道题的简便运算怎么做,要有详细过程哦

2025-04-07 13:14:50
推荐回答(1个)
回答1:

5/19x1/6+1/19x13/6
=5/19x1/6+13/19x1/6
=(5/19+13/19)x1/6
=18/19x1/6
=3/19