Question

Как сложить плииииз

Answer 1

1) =(3 1/8 + 5 3/8 )+(7 5/12 + 1/12)=8 4/8 + 7 6/12 = 8 1/2 + 7 1/2 = 16

2) =(10 2/5 + 3 3/5)+(15 5/6 + 4 1/6)= 14 + 20=34

3) =(9 7/8+1 1/8)+(5 2/7 + 4 5/7)= 11 + 10=21

4) =(15 7/18 + 5/18)+(11 8/9+4/9) = 20 12/18 + 12 3/9 = 20 2/3 + 12 1/3 = 33