Question

Ocalcule:
a+13(40)=
B)+25+(+45)=
C)(-81)+(-14) =
D)(-15)+(-4)=
E)(-34)+(+7)
E) +50+(-12)=​

Answer 1

Resposta:

a) 13 × 40 = 520

b) 25 × 45 = 1.125

c) (-81)× (-14) = 1.134

d) (-15) × (-4) = 60

e) (-34) × 7 = -238

f) 50 × (-12) = -600