Maths Puzzle: Back to Black Maths Puzzle: Back to Black begin-post-stats singingbanana • 255K views end-post-stats begin-duration 5:35 end-duration Math topics: _Elementary_arithmetic_##Elementary arithmetic##_Parity_(mathematics)_##Parity (mathematics)##_Square_number_##Square number##_Divisor_##Divisor Other topics: _Intervals_(music)_##Intervals (music)##_Interval_(music)_##Interval (music)##_Perfect_fifth_##Perfect fifth##_Perfect_fourth_##Perfect fourth video-id: LejoPGtliTs channel_singingbanana_ So What Learning Elementary arithmetic , Intervals (music) Monday, January 22, 2018 Share Share