2.6×(5+0.73÷1.7) 如何解答?

2025-06-22 04:00:57
推荐回答(1个)
回答1:

2.6×(5+0.73÷1.7)
=2.6×(5+73/170)
=2.6×5+2.6×73/170
=13+949/850
=11999/850