00508cam a2200145 a 4500008004100000020001400041245008000055250001200135260005300147300002200200650004600222650004800268700002100316050002500337900625s1990 vaua b 001 0 eng  a06545007800aHarper & Row mathematics (Grade 7, Vol. 1 of 4 Vol.)/cJoseph N. Payne etc. a2nd ed. aNew York. :bHarper and Row, Publishers.cc1985. a[116 p.] :bill.: 0aMathematicsxStudy and teaching (Primary) 0aMathematicsxStudy and teaching (Preschool)1 aPayne, Joseph N.00aQA135.5b.M3692 1990