Matematika -9 + 12 =-10 + (-5) =11 + (-4) =pake jalan ya​

erabergstromulv – April 03, 2023

-9 + 12 =
-10 + (-5) =
11 + (-4) =

pake jalan ya
​

Penjelasan dengan langkah-langkah:

(-9) + 12 =

= 9-12

= 3

_________

(-10) + (-5) =

= -(10 + 5)

= (-15)

_________

11 + (-4) =

= 11 - 4

= 7

[tex] \tt \: fr[/tex]

Jawab:
-9 + 12 = 3
-10 +(-5) = -15
11 +(-4) = 7

Penjelasan dengan langkah-langkah:
Komutatif
-9 + 12 = 12 - 9 = 3

+(-) = -, DAN komutatif
-10 +(-5) = -10-5 = -(10+5) = -15

11 +(-4) = 11 - 4 = 7

(xcvi)

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