( 7/9 - 5/27 ) x ( 1/3 - 5/18 ) Kasih tau dong jawabannya.. Thx yaa
Matematika
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Pertanyaan
( 7/9 - 5/27 ) x ( 1/3 - 5/18 ) Kasih tau dong jawabannya.. Thx yaa
1 Jawaban
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1. Jawaban Anonyme
Bab Bilangan Pecahan
Matematika SD Kelas VI
(7/9 - 5/27) x (1/3 - 5/18) = (7 x 27 - 9 x 5)/(9 x 27) - (18 x 1 - 3 x 5)/(3 x 18)
= (189 - 45)/243 - (18 - 15)/54
= 144/243 - 3/54
= (2 x 144)/(243/2) - (3 x 9)/(54 x 9)
= 288/486 - 27/486
= 261/486
= 29/54