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प्रश्न
By re-arranging the given numbers evaluate :
1 + 2 + 3 + 4 + 596 + 597 + 598 + 599
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
Notes
1 + 2 + 3 + 4 + 596 + 597 + 598 + 599
= (1 + 599) + (2 + 598) + (3 + 597) + (4 + 596) (By associative law)
= 600 + 600 + 600 + 600 = 2400
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संबंधित प्रश्न
Fill in the blank:
All natural numbers are _________
Which property of addition is satisfied by :
3+ (5 + 4) = (3 + 5)+ 4
State True or False:
The sum of two even numbers is an even number.
State True or False:
The sum of an even number and an odd number is odd number.
State True or False:
Every natural number is a whole number.
Fill in the blank :
32 x 15 = 32 x 6 + 32 x 7 + 32 x ______
Evaluate using properties :
548 x 98
Of the given two natural numbers, the one having more digits is greater.
The smallest 6 digit natural number ending in 5 is ______.
The LCM of two or more given numbers is the lowest of their common ______.
