7 и 5/8;
9 и 1/4;
3/7 и 4
9/10 и 8
15 и 3/10;
20 и 3/8;
9 и 5/12;
7/11 и 3
решить по примеру: 4 и 5/6 ; 24/6 и 5/6
9 и 1/4;
3/7 и 4
9/10 и 8
15 и 3/10;
20 и 3/8;
9 и 5/12;
7/11 и 3
решить по примеру: 4 и 5/6 ; 24/6 и 5/6
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7 и 5/8 = 7/1 и 5/8 = (7·8)/(1·8) и 5/8 = 56/8 и 5/8
9 и 1/4 = 9/1 и 1/4 = (9·4)/(1·4) и 1/4 = 36/4 и 1/4
3/7 и 4 = 3/7 и 4/1 = 3/7 и (4·7)/(1·7) = 3/7 и 287
9/10 и 8 = 9/10 и 8/1 = 9/10 и (8·10)/(1·10) = 9/10 и 80/10
15 и 3/10 = 15/1 и 3/10 = (15·10)/(1·10) и 3/10 = 150/10 и 3/10
20 и 3/8 = 20/1 и 3/8 = (20·8)/(1·8) и 3/8 = 160/8 и 3/8
9 и 5/12 = 9/1 и 5/12 = (9·12)/(1·12) и 5/12 = 108/12 и 5/12
7/11 и 3 = 7/11 и 3/1 = 7/11 и (3·11)/(1·11) = 7/11 и 33/11