QUIS20²+20²=10²+10²=100-20²=note: wibu ​

Jawaban:

1. 20² + 20²

= (20 × 20) + (20 × 20)

=> 400 + 400

=> 800

2. 10² + 10²

=> (10 × 10) + (10 × 10)

=> 100 + 100

=> 200

3. 100 – 20²

= 100 – (20×20)

= 100 – 400

= -300