10又1⼀2-0.39÷(0.13×3.5)等于多少?

2025-06-29 01:17:32
推荐回答(1个)
回答1:

10又1/2-0.39÷(0.13×3.5)等于多少?

10又1/2-0.39÷(0.13×3.5)
=10又1/2-0.39÷0.13÷3.5
=10又1/2-3÷3.5
=10又1/2-6/7
=9又9/14