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| 1. |
PROVE-----(100-100)÷(10-10) =2 |
| Answer» =(100-100)÷(10-10)=20L.H.S = { (10)²-(10)²}÷(10-10) = (10+10) (10-10)÷(10-10) = 10+10 =20. Proved | |