Question

+6 • (-24) =
(-5) • (-18)=

va rog macar la una
ALGEBRA CLS VI

Answer 1

Salut!

$\bf a)+ 6 \times ( - 24) = 6 \times - 24 = - 144.$

$\bf b)(- 5) \times ( - 18) = - 5 \times - 18 = + 90.$

$\bf \red {Regula \: semnelor:}$

$\bf {( + ) \times ( + ) = +; }$

$\bf ( - ) \times ( - ) = + ;$

$\bf ( + ) \times ( - ) = - ;$

$\bf ( - ) \times ( + ) = - .$