Question

39. resolva sa expressoes numéricas a) 64 -5 + 23 b) 198+ (15 - 7) - 6 c) 1624 -(2863- 1503) + 196

Answer 1

a) 64 -5 + 23 = 82


b) 198+ (15 - 7) - 6 = 198 + 8 -6 = 198+2 = 200

c) 1624 -(2863- 1503) + 196 = 1624 - 1360 + 196= 460

Answer 2

a) 64 - 5 + 23 = 78+23 ==> 101

b) 198+ (15 - 7) - 6 = 198 + 8 - 6 ==> 200

c) 1624 -(2863- 1503) + 196 ==> 1624 - 1360 + 196 ==> 460