na INLIS000000000000160 N 0010-0317000158 A Probllem-solving approach to intermediate algera Keedy, Mervin L New York : Addison-Wesley publishing Company 1986 x,479 hlm. 24 cm 0 201 12974 4 512. 9 Kee p 512. 9 ALJABAR 284189112 284189112 284189112