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प्रश्न
By re-arranging the given numbers evaluate :
21 + 22 + 23 + 24 + 25 + 75 + 76 + 77 + 78 + 79
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उत्तर
21 + 22 + 23 + 24 + 25 + 75 + 76 + 77 + 78 + 79
= (21 + 79) + (22 + 78) + (23 + 77) + (24 + 76) + (25 + 75) (by associative law)
= 100 + 100+ 100+ 100 + 100 = 500
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संबंधित प्रश्न
Which property of addition is satisfied by :
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State True or False:
If x is a whole number then -x is also a whole number.
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12 x 9 – 12 x 6 = ________ = _________
Is 12 x (9 – 6) = 12 x 9 – 12 x 6 ? _______
Is this type of result always true ? ______
Name the property used here _______
By re-arranging the given numbers evaluate :
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446 x 10002
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333 ÷ 9 = 37
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Every number is a multiple of itself.
The smallest natural number is zero.
Is the following statement true (T) or false (F)?
All natural numbers are whole numbers.
