Question

a) 4 +13 =
6 6
b)-5-7=
4 3
c) 1 + 2 + 1 =
2 3 4
d) 3-1-7=
4 2 6
por favor me ajudem​

Answer 1

a) 4 +13 = 17

b)-5-7 = -12

c) 1 + 2 + 1 = 3 + 1 = 4

d) 3-1-7= 2 - 7 = -5