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? Mohammed ibn-Musa al-Khwarizmi 780-850 K l-Khwarizmi

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: :? + 2 = 5 ? ?

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? + 2 = 5? + 2 = 5 1: 2 2? = 5 2 2: ? = 3

2*(3+3*(2+1)) 1: = 2*(3+3*3) 2: = 2*(3+9) 3: = 2*12 4: = 24

: 3 . 1kg , 250g , 3l , 250ml 250ml . . 3 .

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( ) , 2 , 3. 1kg , 250g , 3l , 250ml 250ml . . 3 . , 5, 11. 11, 15

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1. : 4+7=11, 2. 1 , 1

24+37=163. 1 : 2+3+1=64. ?

(Bing Bang Theory)https://www.youtube.com/watch?v=k0xgjUhEG3U

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:https://www.youtube.com/watch?v=0_tDKdXhv0g :http://play.bbc.co.uk/play/pen/gktkmzxktl

. (http://play.bbc.co.uk/play/pen/gktkmzxktl)

32

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