2(1.60+7)−4.90

Answer 1

2(1.60+7)-4.90 = 2(8.60)-4.90
= 17.20-4.90
= 12.30

Answer 2

2(1.6 0+7)−4.9 0

Answer 3

2(1.60+7)-4.90 = 2(8.60)-4.90
= 17.20-4.90
= 12.30

Answer 4

2 (2.6+7) - 5.9

Answer 5

2 (2.6+7) - 5.9 = 2(9.6) - 5.9
= 19.2 - 5.9
= 13.3