A.(-5)2+72-(-9)2 B. (-6)3-82+(-7)2 C.-72-(-4)3+(-8)3

A. (-5)2+72-(-9)2
= -10+72-(-18)
= 62+18 = 80

B. (-6)3-82+(-7)2
= -18-82+-14
= -100+-14 = -114

C. -72-(-4)3+(-8)3
= -72-(-12)+(-24)
-72 + 12 + (-24)
= -60+(-24) = -84

maaf kalau ada yang salah hitung
semoga bermanfaat :)

1.(-5)2+72-(-9)2
= -10+72-(-18)
= -10+90
= 80
2.(-6)3-82+(-7)2
= -18-82+(-14)
= -100+-14
= -114
3.-72-(-4)3+(-8)3
= -72-(-12)+(-24)
= -60+(-24)
= -84

Smoga membantu