3 akar 75 dikurang 4 akar 20 dikurang akar 80 [tex]3 \sqrt{75} - 4 \sqrt{20} - \sqrt{80} [/tex]
Matematika
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Pertanyaan
3 akar 75 dikurang 4 akar 20 dikurang akar 80
[tex]3 \sqrt{75} - 4 \sqrt{20} - \sqrt{80} [/tex]
[tex]3 \sqrt{75} - 4 \sqrt{20} - \sqrt{80} [/tex]
1 Jawaban
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1. Jawaban Anonyme
jawab
3√75 - 4 √20 - √80 =
= 3. 5√3 - 4. 2√5 - 4√5
= 15 √3 - 8 √5 - 4√5
= 15 √3 - 12 √5