Question

Calcule
a) -17 +43 +14 +23 -45
B) 24 -7 -8 -10 -4 +31 -19
C) 19:-21 +36 -100 -35 +100
D)210 +60 -126 +63 -208 +117
E) -99 +85 -121 -310 +420 +115

Answer 1

Opa, vamos lá passo a passo.


a) -17 +43 +14 +23 -45
26+ 37-45
63-45
18 ===> Resposta

B) 24 -7 -8 -10 -4 +31 -19
24 -25 -23+31
-24+31
+7 ===> Resposta.


C) 19-21 +36 -100 -35 +100
-2 - 64 + 65
-68 + 65
- 3 ===> Resposta.

D)210 +60 -126 +63 -208 +117
270 - 63 - 91
207 - 91
116 ===> Resposta.

E) -99 +85 -121 -310 +420 +115
-14 - 431 + 535
-445 + 115
-330 ====> resposta.



att Jhonny