Tolong bantu ya:) no13 nya.
Matematika
luthfiafahrani09
Pertanyaan
Tolong bantu ya:) no13 nya.
1 Jawaban
-
1. Jawaban ariza10
= (1(1+1)(1+2)) + (2(2+1)(2+2)) + (3(3+1)(3+2)) + (4(4+1)(4+2))
= (1(2)(3)) + (2(3)(4)) + (3(4)(5)) + (4(5)(6))
= 6 + 24 + 60 + 120
= 210