1. 90 ÷ 9 × 2 - 3 + 8 = _____

2. 18 - 12 ÷ 6 + 7 = _____

3. 32 ÷ 2 × 2² = _____

4. ( 7 × 9 ) + ( 3 × 21 ) = _____

5. 3× [ 3 × 2 × ( 10 - 3 ) ] = _____

pa help po pls

thanks!​