А) 7-4_5/9 = 3_4/9б) 4_3/10 + 1_5/12 = 5_17/60в) 6_13/21 + 2_9/14 = 9_127/42Г) 5_1/6 - 3_3/4 = 1_5/12
А) 7-4_5/9 = 3_4/9
б) 4_3/10 + 1_5/12 = 5_17/60
в) 6_13/21 + 2_9/14 = 9_127/42
Г) 5_1/6 - 3_3/4 = 1_5/12