Ответ:
Пошаговое объяснение:
1) 1/5=1*5/5*5= 5/25
3/7=3*5/7*5= 15/35
25/8=25*5/8*5 =125/40
39/40=39*5/40*5= 195/200
2) 6/3=6:3/3:3=2/1=2
9/6=9:3/6:3=3/2=1,5
15/9=15:3/9:3=5/3= 1 и 2/3
21/33= 21:3/33:3 = 7/11
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Ответ:
Пошаговое объяснение:
1) 1/5=1*5/5*5= 5/25
3/7=3*5/7*5= 15/35
25/8=25*5/8*5 =125/40
39/40=39*5/40*5= 195/200
2) 6/3=6:3/3:3=2/1=2
9/6=9:3/6:3=3/2=1,5
15/9=15:3/9:3=5/3= 1 и 2/3
21/33= 21:3/33:3 = 7/11