Question

[Pham Trong Bach]

Tính theo mẫu:

Mẫu: 4 × 12 + 4 ×16 – 4 8 = 4× (12 + 16 – 8) = 4 × 20 = 80

3 ×17 + 3 × 25 - 3 × 2

Answer 1

[Cao Minh Tâm]

3 ×17 + 3 × 25 - 3 × 2 = 3 × (17 + 25 – 2) = 3 × 40 = 120

Answer 2

[Hồ Lê Anh Anh]

3x(17+25-2)=3x40=120