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marmelad84pups
@marmelad84pups
August 2021
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ПОМОГИТЕ РЕШИТЬ. ПОЖАЛУЙСТА
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1) 1 целая 1/3*2 целых 2/3/ 4/9,
2) 6 целых 4/15* 1/2 / 3 целых 2/15,
3) 8 целых 1/3 * 1 целая 5/7 / 2 целых 8/21
4) 1 целая 5/6 * 3 целых 3/5 / 2 целых 1/5
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prettypushkova
Verified answer
1) 1 1/3 * 2 2/3 : 4/9 = 8
1 1/3 * 2 2/3 = 4/3 * 8/3 = 32/9
32/9 : 4/9 = 32/9 *9/4 = 32/4 = 8
2) 6 4/15 * 1/2 : 3 2/15 = 1
6 4/15 * 1/2 = 94/15 * 1/2 = 47/15
47/15 : 3 2/15 = 47/15 : 47/15 = 1
3) 8 1/3 * 1 5/7 : 2 8/21 = 6
8 1/3 * 1 5/7 = 25/3 * 12/7 = (25*4)/(1*7) = 100/7
100/7 : 2 8/21 = 100/7 : 50/21 = 100/7 * 21/50 = (2*3)/(1*1) = 6
4) 1 5/6 * 3 3/5 : 2 1/5 = 3
1 5/6 * 3 3/5 = 11/6 * 18/5 = (11*3)/(1*5) = 33/5
33/5 : 2 1/5 = 33/5 : 11/5 = 33/5 * 5/11 = 33/11 = 3
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Answers & Comments
Verified answer
1) 1 1/3 * 2 2/3 : 4/9 = 81 1/3 * 2 2/3 = 4/3 * 8/3 = 32/9
32/9 : 4/9 = 32/9 *9/4 = 32/4 = 8
2) 6 4/15 * 1/2 : 3 2/15 = 1
6 4/15 * 1/2 = 94/15 * 1/2 = 47/15
47/15 : 3 2/15 = 47/15 : 47/15 = 1
3) 8 1/3 * 1 5/7 : 2 8/21 = 6
8 1/3 * 1 5/7 = 25/3 * 12/7 = (25*4)/(1*7) = 100/7
100/7 : 2 8/21 = 100/7 : 50/21 = 100/7 * 21/50 = (2*3)/(1*1) = 6
4) 1 5/6 * 3 3/5 : 2 1/5 = 3
1 5/6 * 3 3/5 = 11/6 * 18/5 = (11*3)/(1*5) = 33/5
33/5 : 2 1/5 = 33/5 : 11/5 = 33/5 * 5/11 = 33/11 = 3