Question

Please explain this problem to me​

Answer 1

3x (5x) (107-13) + (10÷5X3)

= 3× [15 × {94 +2 × 3}]

= 3 × [ 15 x 94 + 6}]

= 3 × (15 x 100)

= 3 × 1500

= 4500

Answer 2

Can I ask why r u flwing nd unflwing me many times??