85 - 5 = 80 24 + 5 - 9 = 20 35CM + 12CM = 47CM 48CM – 15CM = 33CM

85 - - DE THI TOAN HOC KI 2
Toán DE THI TOAN HOC KI 2

85 - 5 = 80 24 + 5 - 9 = 20

35cm + 12cm = 47cm 48cm – 15cm = 33cm