Question

6) Calcule
A) ( + 9 ) : ( + 9 ) =
B) ( - 2 ) : ( + 1 ) =
C) ( - 3 ) : ( - 2 ) =
D) ( + 11 ) : ( + 5 ) =

7) Determine o valor do × em cada caso.
A) × : ( - 5 ) = + 10
B)( + 90 ) : × = + 3
C) ( - 14 ) : × = - 2
D) ( - 2 ) : ( - 1 ) = ×.

Answer 1

Explicação passo-a-passo:

6) Calcule

A) ( + 9 ) : ( + 9 ) =1

B) ( - 2 ) : ( + 1 ) =-2

C) ( - 3 ) : ( - 2 ) =1.5

D) ( + 11 ) : ( + 5 ) =2.2

7) Determine o valor do × em cada caso.

A) × : ( - 5 ) = + 10

R:-50

B)( + 90 ) : × = + 3

R:270

C) ( - 14 ) : × = - 2

R+28

D) ( - 2 ) : ( - 1 ) = ×.

R=2