Quizz3² + 2² – 1 = ….​

Pertanyaannya:

3² + 2² – 1

Jawabannya:

3² + 2² – 1 = 12

• 3² + 2² – 1
• 3² = 3 × 3 = 9
• 2² = 2 × 2 = 4
• 9 + 4 = 13
• 13 – 1 = 12

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Penyelesaian :

= 3² + 2² – 1

= (3 × 3) + (2 × 2) – 1

= 9 + 4 – 1

= 13 – 1

= 12 ☑