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Verified answer
Pola bilangannya tinggal dibalik86 a 88 89 90
jadi a = 87
(a - 86)²
=(87 - 86)²
=1 ²
=1
Verified answer
A = 87Tinggal diputer aja jadi : 90 89 88 a 86
Jadi :
(A-86)²
= (87-86)²
= 1