Какой знак надо поставить вместо ...? 7/8...2/8. 6/8...7/8. 1/8...5/8 3/10...2/5....

Question

Какой знак надо поставить вместо ...?
7/8...2/8. 6/8...7/8. 1/8...5/8
3/10...2/5. 1/2...5/10. 4/6...7/9

Answer 1

7/8 > 2/8;

↑

7 × 8 > 8 × 2;
__________

6/8 < 7/8;

↑

6 × 8 < 7 × 8;
__________

1/8 < 5/8;

↑

1 × 8 < 5 × 8;
_________

3/10 < 2/5;

↑

3 × 5 < 10 × 2;
___________

1/2 = 5/10;

↑

1 × 10 = 5 × 2;
__________

4/6 < 7/9.

↑

4 × 9 < 6 × 7.

Answer 2

7/8 > 2/8
6/8 < 7/8
1/8 < 5/8

3/10 и 2/5
2/5 = 2*2/5*2 = 4/10
3/10 < 4/10
3/10 < 2/5

1/2 и 5/10
1/2 = 1*5/2*5 = 5/10
5/10 = 5/10
1/2 = 5/10

4/6 и 7/9
4/6 = 4*3/6*3 = 12/18
7/9 = 7*2/9*2 = 14/18
12/18 < 14/18
4/6 < 7/9

Comments

Помидоры большое

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Спасибо

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Большое