Question

Rapiid dau coroana va rog frumos

Answer 1

Răspuns:

1. √100-36=√64=8

√25-16=√9=3

8+3=11

2. 2√10+ 7√10-(-10√10)=9√10+10√10=29√10

3. 4√7-(-8√7)-(-2√7)=4√7+8√7+2√7=14√7

4. 11√2+3√5

5. 21√10

6. 8√8+ 6√18=8×2×√2 + 6× 3× √2= 16√2+18√2=34√2

7. 9√3×(10√3- 12√3+ 8√3)= 9√3×6√3=54×3=162

8. 21√7-9√2+10√7-15√2=31√7-24√2

9. 10√3- 9√3+ 24√3+ 8√3= 33√3