A) 125 6 =6× 125 B) 364 × 9 =9× 364C) 34 × (4 + 5) = 9 ×34 D) (1...

Câu 1.a) 125 6 =6× 125 b) 364 × 9 =9× 364c) 34 × (4 + 5) = 9 ×34 d) (12 – 5) × 8 =8× 7