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Primary 1 | Maths
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Date Posted: 5 years ago
Views: 385
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Trial and error. Start with something close to it first.
You probably know 3x3 =9.
So 30 x 30 = 30² =900
The number is 961, so the answer is close to 30². (Which is 31 x 31)
You probably know 3x3 =9.
So 30 x 30 = 30² =900
The number is 961, so the answer is close to 30². (Which is 31 x 31)
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Using a scientific calculator
done
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Something like this
Date Posted:
4 years ago
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