Question

- Calcule o valor de: a)59 – 43 – 76 + 24 = b)86 – 64 – 78 + 28 = c)68 – 65 – 89 – 24 = d)– 46 + 25 – 135 + 47 = e)127 – 67 + 86 – 34 = *

Answer 1

a) 59-43= 16

16-76= -66

-66+24= -42

a= -42

b) 86-64= 22

22-78= -56

-56+28= 28

b= 28

c) 68-65= 3

3-89= -86

-86-24= -110

c= -110

d) -46+25= -21

-21-135= -156

-156+47= -109

d= -109

e) 127-67= 66

66+86= 152

152-34= 118

e= 118