Draw a O (circle) if the number sentence is correct and ∆ (triangle) if it is wrong.
1. (3x4) x 2 = 3 x (4x2)
2. 2 x (8x3) = (3x7) x 2
3. 4x (5x2) = 4x (7x3)
4. 8 x (6x2) = (8x6) x 2
5. 10x (2x3)= (10x2) x

Please answer it correctly.​