Tartalomjegyzék 20 000-ig számolunk
5
Összeadás és kivonás 20 000-ig
17
Szorzás és osztás 20 000-ig
44
Mennyiségek, mérések
74
Geometriai alapismeretek
93
Ellentétes mennyiségek
105
Osztás kétjegyû osztóval
118
Idõmérés
127
Terület, térfogat
130
Osztó, többszörös
138
Összetett feladatok 20 000-ig
140
Sorozatok, összefüggések, egyenletek
149
100 000-ig számolunk
160
A mûveletekrõl tanultak kibõvítése
169
Geometriai játékok
204
Hányféleképpen?
214
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