ахахахаха, помогите мозги вскипели не могу думать :D . Created by 97899yjj. matematika-ru

ахахахаха, помогите мозги вскипели не могу думать :D ...

White6Fox 1)
2/4= 1/2
5/15=1/3
6/10=3/5
8n/14=4n/7

2)
2/7 и 5/8
НОЗ (2/7; 5/8)= 56
56:7=8
56:8=7
16/56 и 35/56

3)
a)
5/7 и 2/3
15/21 < 14/21
5/7 < 2/3

б)
3/11 и 2/9
27/99 > 22/99
3/11 > 2/9

4)
(2 3/5- 1 7/10) + (1 1/2- 7/20)=
1) 2 3/5- 1 7/10=2 12/20 - 1 14/20= 1 32/20- 1 14/20= 18/20
2)1 1/2-7/20= 1 10/20-7/20= 1 3/20
3)1 3/20+ 18/20=1 21/20= 1 1/20

1 votes Thanks 3

DARVELA23 №1 2/4= 1/25/15=1/36/10=3/58n/14=4n/7
№2 2/7 и 5/8НОЗ (2/7; 5/8)= 5656:7=856:8=716/56 и 35/56
№3 a)5/7 и 2/315/21 < 14/215/7 < 2/3
б)3/11 и 2/927/99 > 22/993/11 > 2/9
№4 (2 3/5- 1 7/10) + (1 1/2- 7/20)=1) 2 3/5- 1 7/10=2 12/20 - 1 14/20= 1 32/20- 1 14/20= 18/202)1 1/2-7/20= 1 10/20-7/20= 1 3/203)1 3/20+ 18/20=1 21/20= 1 1/20

1 votes Thanks 2

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