คำแนะนำของผู้เขียน
4. Calculeaza dupa model
5. Uneste fluturele cu floarea pe care trebuie sa se aseze
6. Alege raspunsul corect
7. Completeaza in tabel
8. Rezolva problema
9. Rezolva problema
Adunarea cu trecere peste ordin 0-31
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คำแนะนำของผู้เขียน
4. Calculeaza dupa model
5. Uneste fluturele cu floarea pe care trebuie sa se aseze
6. Alege raspunsul corect
7. Completeaza in tabel
8. Rezolva problema
9. Rezolva problema
สำรวจแผ่นงาน
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- 1st grade
Addition With Regrouping
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2-digit addition with regrouping
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