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प्रश्न
Subtract: 219 from 0
योग
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उत्तर
219 from 0
= 0 − 219
= −219
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संबंधित प्रश्न
Add: 9 + (–3)
Fill in the blanks:
8 + (−17) = .......
Write the successor of the following: 70
Write the predecessor of the following: −300
Subtract: −2768 from −287
Multiply: 32 by –21
Find the product: (−3) × (−7) × (−6)
7 + |−3| = ?
Additive inverse of −23 is
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 | – |
