Habisin poin O-o ​

⟩ Notasi Sigma

= 3(4) + 3(5) + 3(6)

= 12 + 15 + 18

= 27 + 18

= 45

~ Riisaa

Jawaban:

(3(4)) + (3(5)) + (3(6))

(3×4) + (3×5) + (3×6)

(12 + 15 + 18)

(27 + 18)

= 45