Jawaban:
U25 = 25 × (25+1)
= 25 × 26
= 650
U26 = 26 × (26+1)
= 26 × 27
= 702
U27 = 27 × (27+1)
= 27 × 28
= 756
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Jawaban:
U25 = 25 × (25+1)
= 25 × 26
= 650
U26 = 26 × (26+1)
= 26 × 27
= 702
U27 = 27 × (27+1)
= 27 × 28
= 756