Răspuns :

BiancaRebecaid

a)

-5×(-6)+(-20)=

30-20=

[tex]\color{blue}\boxed{{10}}[/tex]

b)

+99-(-5)×(-19)=

+99-95=

[tex]\color{green}\boxed{{4}}[/tex]

c)

-10×(+12)+(-7)×(-15)=

-120+105

[tex]\color{purple}\boxed{{-15}}[/tex]

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