2 3/4 + 1 2/3; 8 3/5 + 1 2/3; 7/20 + 8 3/4; 12 5/6 + 4/15; 8 5/6 + 2 3/8; 1 4/5 + 3 11/30.

Question

Математика

Виташа

23 июня, 01:44

2 3/4 + 1 2/3; 8 3/5 + 1 2/3; 7/20 + 8 3/4; 12 5/6 + 4/15; 8 5/6 + 2 3/8; 1 4/5 + 3 11/30.

+5

Ответы (1)

Знаете ответ?

Федюка · Answer 1

2 3/4 + 1 2/3;

3+9/12+8/12=3+17/12=4 5/12;

8 3/5 + 1 2/3;

9 + 9/15+10/15=9+19/15=10 4/15;

7/20 + 8 3/4;

8+7/20+15/20=8+32/20=9 12/20 = 9,6;

12 5/6 + 4/15;

12+25/30+8/30=12+33/30=12,1;

8 5/6 + 2 3/8;

10+20/24+9/24 = 10 + 29/24=11 5/24;

1 4/5 + 3 11/30

4 + 24/30+11/30=4+35/30=5+1/6=5 1/6.