1 5/6a + 2 1/4a = 11/6a + 9/4a = (44/24)a + (54/24)a = (98/24)a = 49/12a
1) При a = 6/11:1 5/6 6/11 + 2 1/4 6/11 = 1 30/66 + 2 11/44 = 30/66 + 99/44 = 220/462 + 297/462 = 517/462
2) При a = 4/9:1 5/6 4/9 + 2 1/4 4/9 = 1 20/54 + 2 4/36 = 20/54 + 8/36 = 40/108 + 24/108 = 64/108 = 8/12 = 2/3
3) При a = 6:1 5/6 6 + 2 1/4 6 = 116 + 96 = 66 + 54 = 120
4) При a = 4:1 5/6 4 + 2 1/4 4 = 114 + 94 = 44 + 36 = 80
5) При a = 12:1 5/6 12 + 2 1/4 12 = 1112 + 912 = 132 + 108 = 240
Поэтому числовые значения выражения для разных значений a равны:1) 6/11: 517/4622) 4/9: 2/33) 6: 1204) 4: 805) 12: 240
1 5/6a + 2 1/4a = 11/6a + 9/4a = (44/24)a + (54/24)a = (98/24)a = 49/12a
1) При a = 6/11:
1 5/6 6/11 + 2 1/4 6/11 = 1 30/66 + 2 11/44 = 30/66 + 99/44 = 220/462 + 297/462 = 517/462
2) При a = 4/9:
1 5/6 4/9 + 2 1/4 4/9 = 1 20/54 + 2 4/36 = 20/54 + 8/36 = 40/108 + 24/108 = 64/108 = 8/12 = 2/3
3) При a = 6:
1 5/6 6 + 2 1/4 6 = 116 + 96 = 66 + 54 = 120
4) При a = 4:
1 5/6 4 + 2 1/4 4 = 114 + 94 = 44 + 36 = 80
5) При a = 12:
1 5/6 12 + 2 1/4 12 = 1112 + 912 = 132 + 108 = 240
Поэтому числовые значения выражения для разных значений a равны:
1) 6/11: 517/462
2) 4/9: 2/3
3) 6: 120
4) 4: 80
5) 12: 240