十七分之一加上十五分之一括号除以三十四分之五等于多少?

2025-06-26 07:26:15
推荐回答(1个)
回答1:

(1/17+1/15)÷5/34
=(1/17+1/15)×34/5
=1/17×34/5+1/15×34/5
=2/5+34/75
=30/75+34/75
=64/75