please answer this question
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Answer:
5+3+2=(5×3)(5×2)(5×3+5×2-3)
=1510(15+10-3)
=1510(25-3)
=151022
5+4+5=(5×4)(5×5)(5×4+5×5-4)
=2025(20+25-4)
=2025(45-4)
=202541
Similarly
7+2+5=(7×2)(7×5)(7×2+7×5-2)
=1435(14+35-31)
=1435(49-31)
=143518;-)
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