Penjelasan dengan langkah-langkah:
Akar 98 + 4 akar 50 - 3 akar 8 - 2 akar 72
= akar (2×49) + 4 akar (2×25) - 3 akar (2×4) - 2 akar (2×36)
= 7 akar 2 + (4×5) akar 2 - (3×2) akar 2 - (2×6) akar 2
= 7 akar 2 + 20 akar 2 - 6 akar 2 - 12 akar 2
= (7+20-6-12) akar 2
= 9 akar 2
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Penjelasan dengan langkah-langkah:
Akar 98 + 4 akar 50 - 3 akar 8 - 2 akar 72
= akar (2×49) + 4 akar (2×25) - 3 akar (2×4) - 2 akar (2×36)
= 7 akar 2 + (4×5) akar 2 - (3×2) akar 2 - (2×6) akar 2
= 7 akar 2 + 20 akar 2 - 6 akar 2 - 12 akar 2
= (7+20-6-12) akar 2
= 9 akar 2