Question

calcule
a) + 2 + 6 =
b) + 5+7=
c) - 3 - 4 =
d) - 12-7=
e) - 3 + 8 =
f) - 12+ 4 =
g) + 9 - 3 =
h) - 543 + 220 =​

Answer 1

a) 2 + 6 = +8

b) 5 + 7 = +12

c) - 3 - 4 = -7

d) -12 - 7 = -19

e) -3 + 8 = +5

f) -12 + 4 = -8

g) +9 - 3 = 6

h) -543 + 220 = -323