" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x=42*6,5=273
(x+3*8)/45=(273+24)/45=6.6
jumlah nilai 42 anak = 42 x 6,5 = 273
jumlah nilai 42 anak di tambah 3 anak lagi = 45 x( 6,5 + 8 )
= 45 x 14,5
= 652,5
hasil rata rata = 652,5 - 273
=379,5