estimate 61 X 149 ..........
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Answered by
0
Answer:
9829
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Answered by
1
Answer:
(60+1) (150-1)
(60+1) (150-1)9000 -60 +150 -1
(60+1) (150-1)9000 -60 +150 -19000 +90 -1
(60+1) (150-1)9000 -60 +150 -19000 +90 -19000+89
(60+1) (150-1)9000 -60 +150 -19000 +90 -19000+899089
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