(12целых1/3-7целых3/4)*6/17

1)12 1/3 -7 3/4= 37/3-31/4=55/122)55/12×6/17=55/34=1 ³¹/24Ответ:1целая ³¹/24

 ( 12 1/3-7 3/4)*6/17=121/341) 12 1/3-7 3/4=12 4/12-7 9/12=11 12/12+4/12-7 9/12=11 16/12-7 9/12=4 7/122) 4 7/12*6/17=55/12*6/17=55/34=1 21/34