1) 16 - 7 + 8 +8 2) 3 x 5 - 4 -4 3) 18 = 6 x 3 + 4 x 3 + 4 = o D+ 4) 18 - 9 + 4 x 10 = 18 - 9 + 5) 12 - 2 + 4 x 5 - 7 + 4 x 5-7 - 7 + +

Answer:
16 - 7 + 8
= 9 + 8
= 17
3 × 5 - 4
= 15 - 4
= 11
18 + 6 × 3 + 4
= 24 × 3 + 4
= 72 + 4
= 76
18 - 9 + 4 × 10
= 18 - 9 + 40
= 9 + 40
= 49
12 + 2 + 4 × 5 - 7
= 14 + 4 × 5 - 7
= 14 + 20 - 7
= 34 - 7
= 41