Question

Calcule o valor das alternativas:
A(+2)×(+3)=
B(-1)×(+8)=
C(-1)×(+11)=
D(-2)×(-1)=
E(0)×(+2)=
F(0)×(-2)=
G(+8)×(-5)=
H(+10)×(-4)=
I(-12)×(+10)=
J(-30)×(+1)=
K(+2)×(-8)=
L(+3)×(+10)=
M(+3)×(-4)=
N(-4)×(+1)=
O(-9)×(+5)=
P(-3)×(+2)=
Q(-5)×(-3)=
R(-3)×(-9)=
S(-8)×(-9)=
T(-8)×(-7)=
U(-2)×(+4)=
V(-9)×(-9)=
W(-3)×(-9)=
X(-8)×(-7)=
Y(-5)×(-13)=
Z(+9)×(+9)=
Z(-20)×(-7)=
Z(-13)×(-2)×(-9)=
Professora boazinha

Answer 1

A(+2)×(+3)= +6

B(-1)×(+8)= -8

C(-1)×(+11)= -11

D(-2)×(-1)= +2

E(0)×(+2)= 0

F(0)×(-2)= 0

G(+8)×(-5)= -40

H(+10)×(-4)= -40

I(-12)×(+10)= -120

J(-30)×(+1)= -30

K(+2)×(-8)= -16

L(+3)×(+10)= +30

M(+3)×(-4)= -12

N(-4)×(+1)= -4

O(-9)×(+5)= -45

P(-3)×(+2)= -6

Q(-5)×(-3)= +15

R(-3)×(-9)= +27

S(-8)×(-9)= +72

T(-8)×(-7)= +56

U(-2)×(+4)= -8

V(-9)×(-9)= +81

W(-3)×(-9)= +27

X(-8)×(-7)= +56

Y(-5)×(-13)= +65

Z(+9)×(+9)= +81

Z(-20)×(-7)= +140

Z(-13)×(-2)×(-9)= (+26)×(-9) = -234

Regra de Sinais - na multiplicação sinais iguais resultado positivo e sinais diferentes resultado negativo.

✨ Prontinho ✨

15/8