89³ - 90²- - Universityku

89³ - 90²---------------

89³ – 90²—————

SOAL 1

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89³ – 90²

= (89.89.89) – (90.90)

= (7.921.89) – (90.90)

= 704.969 – 8.100

= 696.869

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89³ – 90²

( 89 × 89 × 89 ) – 90²
( 7.921 × 89 ) – 90²
704.969 – 90²
704.969 – ( 90 × 90 )
704.969 – 8.100
696.869

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