Пошаговое объяснение:
1) 1 2/3 : 2 1/2 = 5/3 : 5/2=5/3*2/5 = 2/3;
2) 12:1 1/5 = 12:6/5 = 12*5/6 = 10;
3) 3 3/4 : 1 1/4 = 15/4 : 5/4 = 15/4 *4/5= 3;
4) 11 1/4 : 4 1/2 = 45/4 : 9/2 = 45/4 * 2/9=5/2=2 1/2 = 2.5;
5) 5 1/4 : 1 3/4= 21/4 : 7/4 = 21/4 * 4/7 = 3;
6) 3 1/8 : 1 1/4 = 25/8 : 5/4 = 25/8 * 4/5 = 5/2=2 1/2 = 2.5.
1) 1 2/3 : 2 1/2 = 5/3 : 5/2 = 5/3 • 2/5 = 2/3
2) 12 : 1 1/5 = 12 : 6/5 = 12 • 5/6 = 10
3) 3 3/4 : 1 1/4 = 15/4 : 5/4 = 15/4 • 4/5 = 3
4) 11 1/4 : 4 1/2 = 45/4 : 9/2 = 45/4 • 2/9 = 5/2 =
= 2 1/2
5) 5 1/4 : 1 3/4 = 21/4 : 7/4 = 21/4 • 4/7 = 3
6) 3 1/8 : 1 1/4 = 25/8 : 5/4 = 25/8 • 4/5 = 5/2 =
= 2 1/2
Пошаговое объяснение:
1) 1 2/3 : 2 1/2 = 5/3 : 5/2=5/3*2/5 = 2/3;
2) 12:1 1/5 = 12:6/5 = 12*5/6 = 10;
3) 3 3/4 : 1 1/4 = 15/4 : 5/4 = 15/4 *4/5= 3;
4) 11 1/4 : 4 1/2 = 45/4 : 9/2 = 45/4 * 2/9=5/2=2 1/2 = 2.5;
5) 5 1/4 : 1 3/4= 21/4 : 7/4 = 21/4 * 4/7 = 3;
6) 3 1/8 : 1 1/4 = 25/8 : 5/4 = 25/8 * 4/5 = 5/2=2 1/2 = 2.5.