Question

3. Efetue
a) (m: + 19
b) (n+3
c) (a? + 10
d) (2y + 5)

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Answer 1

Explicação passo-a-passo:

A)54x31=16,74

B)-(45/49)x(48/18)

-45/49x8/3

-15/49x8

R: -120/48

C) 8,7x 5/4

87/10x5/4

87/2x1/4

R:87/8

D)(-36/15) x (-50/12)

3/3x10

1x10

R:10

E) (-4,6 (-0,7)

4,6 x0,7

R: 3,22