Question

十三分之七加二十六分之九除四分之三等于多少

Answer 1

7/13十9/26÷3/4
=7/13十9/26x4/3
=7/13十6/13
=13/13
=1

Answer 2

等于三十九分之一百

Answer 3

7/13+9/26÷3/4
=7/13+9/26×4/3
=7/13+3/13×2/1
=13/13
=1