Pre-algebra:btools for a changing world /
Davidson, David M.
Pre-algebra:btools for a changing world / David M. Davidson...et.al. ; consultant for Philippine adaptation, Romulo G. Pizaña. - 473 pages : illustrations ; 26 cm.
981-244-862-4
Algebra--Problems, exercises, etc.
ALGEBRA, NUMBER THEORY
512.9 / D252
Pre-algebra:btools for a changing world / David M. Davidson...et.al. ; consultant for Philippine adaptation, Romulo G. Pizaña. - 473 pages : illustrations ; 26 cm.
981-244-862-4
Algebra--Problems, exercises, etc.
ALGEBRA, NUMBER THEORY
512.9 / D252