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प्रश्न
Write the predecessor of the following: 79
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उत्तर
79 − 1 = 78
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संबंधित प्रश्न
Write the opposite of the following: -34
Find the value of: |7−4|
Multiply: 29 by −11
Use convenient groupings and find the value of: 18 × (−27) × 30
Write (T) for true and (F) for false for the following statement:
0 ÷ (−6) = 0
Simplify: 16 ÷ (−1)
Additive inverse of −23 is
Fill in the blanks.
(−8) + (−6) − (−3) = ...... .
An atom changes to a charged particle called ion if it loses or gains electrons. The charge on an ion is the charge on electrons plus charge on protons. Now, write the missing information in the table given below:
| Name of Ion | Proton Charge | Electron Charge | Ion Charge |
| Hydroxide ion | +9 | – | –1 |
| Sodium ion | +11 | – | +1 |
| Aluminium ion | +13 | –10 | – |
| Oxide ion | +8 | –10 | – |
Write the integers between the given pairs (write them in increasing order)
–8 and –15
