Question

Ache o valor numérico:​

Answer 1

a) x² -y.z -5

x = -1, y = 2, z = -3

(-1)² -2.(-3) -5

1 +6 -5

2

b) 3.x.y³ +x²

x = 1, y = 2

3.1.2³ +1²

3.8 +1

24 +1

25

c) 2 +x².z -y.z

x = y = -1 , z = 3

2 +(-1)².3 -(-1).3

2 +3 +3

8

d) 2.x³y.z.4

x = -2, y = 1, z = 1/2

2.(-2)³.1.1/2.4

2.(-8).2

4.(-8)

-32

Dúvidas só perguntar!