Пошаговое объяснение:
1)x:11 3/7=1 1/20
х= 1 1/20* 11 3/7= 21/20*80/7= 3/1*4/1=12
2)x:7 5/9=27/34
х= 27/34* 7 5/9= 27/34* 68/9= 3/1 * 2/1=2
3)x:4 3/4=2 3/19
х= 2 3/19* 4 3/4= 41/19*19/4= 41/1*1/4= 41/4= 10 1/4
4)9 2/7:x=1 6/7
х= 9 2/7: 1 6/7=65/7: 13/7= 65/7*7/13= 5/1*1/1= 5
5)10 2/13:x=1 7/26
х= 10 2/13: 1 7/26= 132/13: 33/26= 132/13* 26/33= 4/1*2/1=8
6)12 1/7:x=2 3/7
х= 12 1/7: 2 3/7= 85/7 : 17/7= 85/7*7/17= 5/1*1/1=5
Пошаговое объяснение:
1)x:11 3/7=1 1/20
х= 1 1/20* 11 3/7= 21/20*80/7= 3/1*4/1=12
2)x:7 5/9=27/34
х= 27/34* 7 5/9= 27/34* 68/9= 3/1 * 2/1=2
3)x:4 3/4=2 3/19
х= 2 3/19* 4 3/4= 41/19*19/4= 41/1*1/4= 41/4= 10 1/4
4)9 2/7:x=1 6/7
х= 9 2/7: 1 6/7=65/7: 13/7= 65/7*7/13= 5/1*1/1= 5
5)10 2/13:x=1 7/26
х= 10 2/13: 1 7/26= 132/13: 33/26= 132/13* 26/33= 4/1*2/1=8
6)12 1/7:x=2 3/7
х= 12 1/7: 2 3/7= 85/7 : 17/7= 85/7*7/17= 5/1*1/1=5