Question

02. Efetue as subtrações.
a) (15) – ( +8 )= c) (14) – (+21) = e) (– 108) – ( 5 ) = g) ( - 63 ) – (+17 ) =
b) (10) – (– 8) = d) (– 17) – (– 25)= f) (– 62) – (– 78 )= h) ( + 19 ) – ( - 19 ) =
03. Efetue as multiplicações.
a) (46) · (2) = c) (– 7) · (– 8) = e) (10) · (– 46)= g) ( + 9) . ( 10 ) =
b) (6) · (– 2) = d) (– 9) · (2) = f) (– 72) · (1 ) = h) ( - 11 ) . ( - 3 ) =
04. Efetue as divisões.
a) (9) ÷ (– 9) = c) (– 30) ÷ (– 6) = e) (– 4) ÷ (1)= g) ( - 33 ) : ( - 3) =
b) (8) ÷ (4) = d) (– 48) ÷ (16 ) = f) (– 24) ÷ (– 6)= h) ( + 42 ): (

Answer 1

Resposta:

a) 7

c) -7

b)18

d) 8

3_

a)92

c)56

b)-12

f)-72

h)363

4_

a)-1

c)5

e)-4

g)11

b)2

d) -3

f)4

h)???

espero ter ajudado <3