(19 1/6+43.75)*5/6 - (26.8-23 3/7)/6/35
-------------------------------------------------------- это дробь
(13,3-11,5):1 4/6 0,5
-------------------------------------------------------- это дробь
(13,3-11,5):1 4/6 0,5
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1) 19 1/6 + 43,75 = 62 11/122) 62 11/12 * 5/6 = 52 31/72
3) 13,3 - 11,5 = 1,8
4) 1,8 : 1 4/6 = 18/10 : 10/6 = 108/100 = 27/25
5) 52 31/72 : 27/25 = 3775/72 : 27/25 = 48 1063/1944
6) 26,8 - 23 3/7 = 268/10 - 164/7 = 1876/70 - 1640/70 = 236/70
7) 236/70 : 6/35 = 118/6
8) 118/6 : 0,5 = 118/6 : 1/2 = 118/3 = 39 1/3
9) 48 1063/1944 - 39 1/3 = 94375\1944 - 118/3 =
= 94375/1944 - 76464/1944= 17911/1944 = 9 415/1944