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Toán lớp 2
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1 km = ...... m
1000
Oops!
Okay!
đây là con gì?
con ong
Oops!
Okay!
25 + 3
28
Oops!
Okay!
200 cm = ....... m
Oops!
Okay!
10 dm = ....... m
1
Oops!
Okay!
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