№994.
а)2 1/2+1/6 б)3 7/12+1/6 в)5 1/5+3/10 г)7 6/35+1/5
№995.
а)3 3/4+1/5 б)7 9/20+7/3 в)4 13/25+2/15 г)6 1/12+1/18 д)5 3/10+11/15 е)9 5/24+35/36

1

Ответы и объяснения

2014-04-13T23:52:11+00:00
№994.
а) 2 1/2+1/6 = 2 3/6 + 1/6 = 2 4/6 = 2 2/3
б) 3 7/12+1/6 = 3 7/12 + 2/12 = 3 9/12 = 3 3/4
в) 5 1/5+3/10 = 5 2/10 + 3/10 = 5 5/10 = 5 1/2
г) 7 6/35+1/5 = 7 6/35 + 7/35 = 7 13/35
 
№995.
а) 3 3/4 + 1/5 = 3 15/20 + 4/20 = 3 19/20
б) 7 9/20 + 7/3 = 7 9/20 + 2 1/3 = 7 27/60 + 2 20/6 = 9 47/60
в) 4 13/25 + 2/15 = 4 39/75 + 10/75 = 4 49/75
г)6 1/12+1/18
д)5 3/10+11/15
е)9 5/24+35/36