215 ml + 37 ml = ml 32 ml – 15 ml + 80 ml = ml 57 g – 37 g + 50 g = g

Câu hỏi :

215 ml + 37 ml = ....... ml

32 ml – 15 ml + 80 ml = ….. ml

57 g – 37 g + 50 g = ....... g