Ответы и объяснения

2012-11-22T19:53:17+04:00

5* 2/5 = 2

10* 2/5 = 4

20* 2/5 = 8

25* 2/5 = 10

30* 2/5 = 12

40* 2/5 = 16

2012-11-22T20:36:11+04:00

5* 2/5 = 2

10* 2/5 = 4

20* 2/5 = 8

25* 2/5 = 10

30* 2/5 = 12

40* 2/5 = 16(правильно точно)