sederhanakan ⅔ײlog64-½×²log16

2/3 x ²log64 - 1/2 x ²log16
= 2/3 . ²log2⁶ - 1/2 . ²log2⁴
= 2/3 . 6 . ²log2 - 1/2 . 4 . ²log2
= 12/3 . 1 - 4/2 . 1
= 4 . 1 - 2 . 1
= 4 - 2
= 2