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( 8√6 : 2√2 ) * √3 ||| Angka 8 nya dipindain ke akarnya jadi 64, sama juga angka 2 dipindain ke akarnya jadi 4.

1. (√81 : √9) * √16 = (√ 81 : 9 ) * √16

= √9 * √16 = √(9 * 16)

= √144

= 12

 

2. ( 8√6 : 2√2 ) * √3 ||| Angka 8 nya dipindain ke akarnya jadi 64, sama juga angka 2 dipindain ke akarnya jadi 4.

= (√6 * 64 : √2 * 4) * √3

= (√384 : √8) * √3

= √48 * √3

= √144 ||| Ini memang hasil 48 * 3 ya bukan langsung ambil dari nomor 1 tadi

= 12

 

3. (2√3 * √18) : √2

= (√3 * 4 * √18) : √2

= (√12 * √18) : √2

= √216 : √2

= √108

= √2 * 2 * 3 * 3 * 3

= 2 * 3 √3

= 6√3

 

 

4. (√343 * √175) : √1225

= √60025 : √1225

= √49

= 7

 

Catatan: Selama bilangan ada di dalam akar, lalu dikalikan sesama bilangan akar, itu bisa dihitung (√2 * √2 = √4), tapi belum diakarkan (maksudnya √4 = 2).

 

 

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Baca Juga :  Complete the sentences with a form of the verb in parentheses. Three hundred and fifty years ago, people (1. make) /made/ their own clothes. They (2. have, not) _____ machines for making clothes. There (3. be, not) _____ any clothing factories. People (4. tear) _____ homemade clothes that were sewn by hand. Today, very few people (5. make) _____ their own clothes. Clothing (6. come) _____ ready-made from factories. People (7. buy) _____ almost all their clothes from stores. The modern clothing industry (8. be) _____ international. As a result, people from different countries often (9. wear) _____ similar clothes. For example, people in many different countries throughout the world (10. wear) _____ jeans and t-shirts. However, some regional differences in clothing still (11. exist) _____ for instance, people of the Arabian deserts (12. wear) _____ loose, flowing lobes to protect themselves from the heat of the sun. In parts of Northern Europe, fur hats (13. be) _____ common in the winter. In the future, there (14. be, probably) _____ fewer and fewer differences in clothing. People throughout the world (15. wear) _____ clothes from the same factories. (16. We all, dress) _____ in the future? TV shows and movies about the future often (17. show) _____ everybody in a uniform of some kind. What (18. you, think) _____? Number 13