Ответ:
Пошаговое объяснение:
1) 20:2=10:1
2) 7/26 : 5/26 = 7/26 * 26/5 =7 : 5
3) 6/11 : 12/33 = 6/11 * 33/12 = 3 : 2
4) 0,45 : 0,09 = 9/20 : 9/100 = 9/20*100/9 = 5:1
5) 3 1/4 : 3 5/7 = 13/4 : 26/7 = 13/4 * 7/26 = 7 : 8
6) 26/52 : 14 6/7 = 1/2:104/7 = 1/2* 7/104 =7:208
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Answers & Comments
Ответ:
Пошаговое объяснение:
1) 20:2=10:1
2) 7/26 : 5/26 = 7/26 * 26/5 =7 : 5
3) 6/11 : 12/33 = 6/11 * 33/12 = 3 : 2
4) 0,45 : 0,09 = 9/20 : 9/100 = 9/20*100/9 = 5:1
5) 3 1/4 : 3 5/7 = 13/4 : 26/7 = 13/4 * 7/26 = 7 : 8
6) 26/52 : 14 6/7 = 1/2:104/7 = 1/2* 7/104 =7:208