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प्रश्न
Verify a − (−b) = a + b for the following values of a and b. a = 21, b = 18
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उत्तर
a = 21, b = 18
a − (−b) = 21 − (−18) = 21 + 18 = 39
a + b = 21 + 18 = 39
∴ a − (−b) = a + b = 39
संबंधित प्रश्न
Use the sign of >, < or = in the box to make the statements true.
– 231 + 79 + 51 
–399 + 159 + 81
Subtract the numbers in the top row from the numbers in the first column and write the proper number in each empty box.
| – | 6 | 9 | –4 | –5 | 0 | +7 | –8 | –3 |
| 3 | 3 – 6 = –3 | |||||||
| 8 | 8 − (−5) = 13 | |||||||
| –3 | ||||||||
| –2 |
Find the sum of: 137 and −354
Simplify:
1056 + (−798) + (−38) + 44 + (−1)
Use convenient groupings and find the value of: (−51) × (−47) × (−19)
Divide: 0 by –278
Write (T) for true and (F) for false for the following statement:
20 ÷ (−5) = −4
Evaluate: (−5) + (−6)
Fill in the blanks.
−23 − (?) = 15.
Write two distinct integers whose sum is equal to one of the integers.
