1.11 pangkat 2 + 15 pangkat 2

Penjelasan dengan langkah-langkah:

1. 11² + 15² = 121 + 225 = 346

2. 13² – 7² = 169 – 49 = 120

3. (8+5)² = 13² = 169

4.(20+2)² – 6 = 22² – 6 = 484 – 6 = 478

5. 5 x( 8 + 12)² – 5 = 5 x 20² – 5 = 1.995

Penjelasan dengan langkah-langkah:

1. 11² + 15² = 121 +225 = 346

2. 13² – 7² = 169 – 49 = 120

3.(8+5)² = 64 + 25 = 89

4. (20+2)² – 6 = (400+4)- 6 = 398

5. 5× (8+2)² – 5 = 5× (64+4) – 5 = 5× 68-5

= 355