Question

ayuda es de matematicas

Answer 1

a) -7 + 3 = -4

b) -6 - 5 = -11

c) -9 + (14) = 5

d) 4 - (-8) = 12

e) -20 + 7= -13

f) -(-17) - 2 = 15

g) -8 - (-25)= 17

h) -(-14) + 6 = 20

i) 11+(-30)= -19

Answer 2

1) [...] + 3 = -4 => -7
2)[...] -5 = - 11 => -6
3) -9 + ([]) = 5 => +14
4) 4- ([]) = 12 => -8
5) [...] +7 = -13 => -20
6) -([]) - 2 = 15 => -17
7) -8 - ([]) = =17 => -25
8)-([]) +6 =20 => -14
9) 11 + ([])= -19 => -30

#espero que te halla servido .