di jwb -^-
90² =
80² =
90² =
80² =
Penjelasan dengan langkah-langkah:
90²
= 90 × 90
= (9 × 9) × 100
= 81 × 100
= 8.100
80²
= (80 × 80)
= (8 × 8) × 100
= 64 × 100
= 6.400
[tex] \: \: \: \: \: {90}^{2} \\ = (90 \times 90) \\ = 8.100[/tex]
—
[tex] \: \: \: \: {80}^{2} \\ = (80 \times 80) \\ = 6.400[/tex]
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