Вычислите: 1/5+3/5 1/2+1/2 7/10+4/10 3/8+5/8 5/16+3/16 3/20+7/20 8/19+1/19 7/91+19/91

Question

Вычислите:
1/5+3/5 1/2+1/2 7/10+4/10 3/8+5/8
5/16+3/16 3/20+7/20 8/19+1/19 7/91+19/91

Answer 1

1.4/5
2.1
3.11/10=1 1/10
4.8/8=1
5.8/16=1/2
6.10/20=1/2
7.9/19
8.26/91

Comments

спасибо)