(3/5+2/15)÷(1/21+5/6)怎么列算式？

Question

如题所述

Answer 1

(3/5+2/15)÷(1/21+5/6)
=11/15÷37/42
=154/185

Answer 2

(3/5+2/15)÷(1/21+5/6)
=(9/15+2/15)÷(2/42+35/42)
=11/15÷37/42
=11/15x42/37
=154/185本回答被网友采纳