Question

B)50×(-2)+40-30=
C)(-20)+(-2)+(-60)=
D)50+(-20)+(-3)=
E)-(30)+70+40

Answer 1

→ Cálculo :

B) 50 · ( - 2 ) + 40 - 30

-100 + 40 - 30

-130 + 40

-90

C) ( - 20 ) + ( - 2 ) + ( - 60 )

-20 - 2 - 60

-80 - 2

-82

D) 50 + ( - 20 ) + ( - 3 )

50 - 20 - 3

30 - 3

27

E) - ( 30 ) + 70 + 40

-30 + 70 + 40

-30 + 110

80