If 99*88=5555, 77*66=2929, 66*55=1919 then 55*44 is
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If 99*88=5555, 77*66=2929, 66*55=1919 then 55*44 is 919
Sankalp987:
how you done it
explain
sry sry its 909
the 2929 becomes 1919...in that -1 The 2s
so again do the same u get 909
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