QuKizZ By Kia ✔️
[tex]\sf 1). \: 21² × 27² = ...?[/tex]
[tex]\sf 2). \: 66² + 2² - 2³ = ...?[/tex]
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Trims..
↘️PENYELESAIAN↙️
21^2 + × 27^2
= (21 × 21) × (27 × 27)
= (441 × 729)
= 321.489
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66^2 + 2^2 - 2^3
= (66 × 66) + (2 × 2) - (2 × 2) × 2
= (4.356 + 4) - (4 × 2)
= (4.360 - 8)
= 4.352
Jawaban:
Cara √
21² = 21 × 21 = 441
27² = 27 × 27 = 729
= 441 × 729
= 321.489
66² = 66 × 66 = 4.356
2² = 2 × 2 = 4
2³ = 2 × 2 × 2 = 8
= 4.356 + 4 - 8
= 4.360 - 8
= 4.352
[answer.2.content]
