Question

(31/3+2,5)×(4,6-21/3)

Answer 1

(31/3+2,5)×(4,6-21/3)
(31/3+25/10)×(4,6-7)
(31/3+5/2)×(-2,4)
62+15/6×(-2,4)
77/6×(-2,4)
-77/6×24/10
-77×4/10
-77×2/5
-154/5