If the 5-digit number 535ab is divisible by 3, 7 and 11, then what is the value of (a2 - b2 + ab)?
5 443 64b919e7e2108a7239350240
Q:
If the 5-digit number 535ab is divisible by 3, 7 and 11, then what is the value of (a2 - b2 + ab)?
- 177false
- 289false
- 395true
- 483false
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