Question

Resolva:

● a) ( + 3 ) + ( – 2 ) + ( – 5 )

● b) ( – 2 ) – ( + 1 ) – ( + 5 )

● c) ( + 4 ) + ( – 2 ) – ( + 3 )

● d) ( + 5 ) – ( – 3 ) – ( – 1 )

● e) ( + 4 ) + ( – 6 ) – ( + 7 ) – ( – 6 ) + ( + 7 )

● f) ( – 3 ) – ( – 5 ) + ( – 6 ) + ( + 8 ) – ( – 4 )​

Answer 1

Explicação passo-a-passo:

a) 3 - 2 -5= 3-7= -4

b) -2-1-5= -8

c) 4-2-3= 4-5= -1

d) 5 +3+1= +9

e) 4-6-7+6+7= -2-7+6+7= -9+6+7= -9 + 13 = 4

f) -3+5-6+8+4= 2-6+8+4= -4 +8+4= +8