Răspunsuri

2014-05-21T00:44:59+03:00
1p+1s=1c
1s=1p+1f
2c=3f

1s=1c-1p
1c-1p=1p+1f
2p=1c-1f  inmultim toata relatia cu 2
4p=2c-2f
4p=3f-2f
4p=f
1s=1p+1f
1s=1p+4p
1s=5p
5 pahare fac cat o sticla