=(1000-13)(1000-23)...(1000-103)...(1000-503)
=(1000-13)(1000-23)...0....(1000-503)
=0
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=(1000-13)(1000-23)...(1000-103)...(1000-503)
=(1000-13)(1000-23)...0....(1000-503)
=0
Tính nhanh A = (1000-1^3).(1000-2^3).(1000-3^3).................(1000-50^3)
tính (1000-1^3).(1000-2^3).(1000-3^3...(1000-50^3)
Tính: (1000-1^3)*(1000-2^3)*........*(1000-50^3)
Tính ( 1000 - 13). ( 1000 - 23). ( 1000 - 33)....(1000 - 503)
Tính (1000-13).(1000-23).(1000-33)......(1000-503)
Tính
( 1000 - 13). ( 1000 - 23). ( 1000 - 33). ...( 1000 - 503) = ?
tính
(1000-1)3 . (1000-2)3 . (1000-3)3.......(1000-50)3
Tính: (1000 - 13 ). ( 1000 - 23). ( 1000 - 33 )....( 1000 - 503)
tính
(1000-1)3 . (1000-2)3 . (1000-3)3.......(1000-50)3