อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)?
Created by
Ssteiner
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Matematica
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Calcolo mentale
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Age 8-9
-
level: Terza elementare
-
Italian
คำแนะนำของผู้เขียน
ESRCITAZIONE DEL CALCOLO MENTALE DI ADDIZIONI E SOTTRAZIONI IN TABELLE, IN SERIE NUMERICHE, IN RIGA.
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Created by
Ssteiner
-
Matematica
-
Calcolo mentale
-
Age 8-9
-
level: Terza elementare
-
Italian
คำแนะนำของผู้เขียน
ESRCITAZIONE DEL CALCOLO MENTALE DI ADDIZIONI E SOTTRAZIONI IN TABELLE, IN SERIE NUMERICHE, IN RIGA.