000
00263nam a2200109 4500
008
160616s 000 0
245
_a
Dividing a segment in a given ratio
100
_a
Beskin, N.M
500
_a
B61 142L5
942
_c
BK
_2
BK3319
080
_a
516.144 BES
999
_c
3319
_d
3319