q.
[tex] \sf \sqrt{81 \: } - {5}^{2} \times 2 = ....[/tex]
● Jangan follow biar telat
[tex] \sf \sqrt{81 \: } - {5}^{2} \times 2 = ....[/tex]
● Jangan follow biar telat
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√81 - 5² × 2 = -41
caranya =
= √81 - 5² × 2
= √81 - ( 5 × 5 ) × 2
= √81 - ( 25 × 2 )
= √81 - 50
= -41
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