机读格式显示(MARC)

• 000 00869nam 2200265 a 4500

• 001 0000513145

• 003 JHUL

• 005 20050402090400.0

• 008 050402s1992 nyua 001 0 eng d

• 010 __ |a 91024770

• 020 __ |a 0023529334 (pbk.)

• 040 __ |a JHUL |c JHUL

• 050 00 |a QA135.5 |b .H42 1992

• 082 00 |a 372.7 |2 20

• 090 __ |a O1/H452=7

• 093 __ |a O1 |2 4

• 100 1_ |a Heddens, James W., |d 1925-

• 245 10 |a Today's mathematics : |b concepts and methods in elementary school mathematics / |c James W. Heddens, William R. Speer.

• 250 __ |a 7th ed.

• 260 __ |a New York : |b Macmillan ; |a Toronto : |b Maxwell Macmillan ; |a New York : |b Maxwell Macmillan, |c c1992.

• 300 __ |a xi, 656 p. : |b ill. ; |c 26 cm.

• 500 __ |a Includes index.

• 650 _0 |a Mathematics |x Study and teaching (elementary)

• 700 1_ |a Speer, William R., |d 1946-

• 950 __ |a JHUL |b O1 |c H452=7