Question

Calculează produsele:
A = 5×(+3);
B = (+11)×4;
C=7×5;
D=-4×6​

Answer 1

$\color{green}\huge\boxed{\boxed{A=15}}$

$\color{red}\huge\boxed{\boxed{B=44}}$

$\color{purple}\huge\boxed{\boxed{C=35}}$

$\color{blue}\huge\boxed{\boxed{D=-24}}$

Regula semnelor:

(+)×(+)=(+)

(+)×(-)=(-)

(-)×(-)=(+)

(+)÷(+)=(+)

(+)÷(-)=(-)

(-)÷(-)=(+)

Answer 2

Răspuns:

Explicație pas cu pas:

A = 5 × ( + 3)

A = + 15

A = 15

__________

B = ( + 11) × 4

B = + 44

B = 44

____________

C = 7 × 5  ⇒  C = 35

_______________

D = ( - 4) × 6    ⇒  D = - 24