Question

a) -8 +10 -3 +20-6=)) b) 40-12-6-14+15+9= c) 80-15+12-56+26-5-)) d) 130-96+28+32-22-16= e) 250-160+80-25-18-10=

Answer 1

Resposta:

a) -8 +10 -3 +20-6 = 13

2 -3 + 14

-1 + 14 = 13

b) 40-12-6-14+15+9 = 32

28 -20 + 24

8 + 24

32

c) 80-15+12-56+26-5 = 42

65 + -44 + 21

21 + 21

42

d) 130-96+28+32-22-16 = 56

34 + 60 - -38

94 - -38

56

e) 250-160+80-25-18-10 = 117

90 + 55 - 28

145 - 28

117

Explicação passo a passo: