Question

resuelvan estás operaciones (2)(5)(4)=. (3)(-2)(7)=. (-8)(3)(6)=. (-9)(7)(-4)= (-3)(-5)(6)=. (9)(-7)(-6)=. (-11)(-12)(-10)=. (5)(3)(13)=. (-8)(-7)(4)(3)=. (-10)(-5)(-9)(8)=. (-9)(-7)(-11)(-5) =. (4)(-3)(-6)(8)​

Answer 1

40 -42 -144 -252  +90 378 -1320 195 -672 -3600 3465 576

Explicación paso a paso:

se aplica la reglas de los signos

+ .+=+

- . - = +

+ . - = -

- . + = -