Предмет: Математика,
автор: ксю2981
помогите пожалуйста!сравните дроби 5/12 и 2/9; 9/35 и 3/28; 4/9 и 8/15; 1/8 и 7/12; 5/9 и 3/4; 3/4 и 2/5; 23/40 и 3/8; 3/4 и 1/6
Ответы
Автор ответа:
3
1)> 2)> 3)< 4)< 5)< 6)> 7)> 8)>
Автор ответа:
2
5/12> 2/9;
5/12 = 15/36
2/9 = 8/36
15/36>8/36
=====================
9/35 > 3/28;
9/35 = 36/140
3/28 = 15/140
36/140>15/140
===============
4/9 < 8/15;
4/9 = 20/45
8/15 = 24/45
20/45 < 24/45
========================
1/8 < 7/12;
1/8 = 3/24
7/12 = 14/24
3/24<14/24
==================
5/9 < 3/4;
5/9 = 20/36
3/4 = 27/36
20/36 < 27/36
=============
3/4 > 2/5;
3/4 = 15/20
2/5 = 8/20
15/20>8/20
================
23/40 > 3/8;
3/8 = 15/40
23/40 > 15/40
==============
3/4 > 1/6
3/4 = 9/12
1/6 = 2/12
9/12 > 2/12
5/12 = 15/36
2/9 = 8/36
15/36>8/36
=====================
9/35 > 3/28;
9/35 = 36/140
3/28 = 15/140
36/140>15/140
===============
4/9 < 8/15;
4/9 = 20/45
8/15 = 24/45
20/45 < 24/45
========================
1/8 < 7/12;
1/8 = 3/24
7/12 = 14/24
3/24<14/24
==================
5/9 < 3/4;
5/9 = 20/36
3/4 = 27/36
20/36 < 27/36
=============
3/4 > 2/5;
3/4 = 15/20
2/5 = 8/20
15/20>8/20
================
23/40 > 3/8;
3/8 = 15/40
23/40 > 15/40
==============
3/4 > 1/6
3/4 = 9/12
1/6 = 2/12
9/12 > 2/12
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