maelaime2006 maelaime2006

24-08-2021
Mathematics

contestada

hi how to solve this question n(n+1)2
; where n=9

Respuesta :

zibahkeshiro zibahkeshiro

24-08-2021

Answer:180

Step-by-step explanation:

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Answer Link

sakina12 sakina12

24-08-2021

.

Answer:

2×9(9+1)

18(10)

.180.

Answer Link

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