Câu trả lời của bạn: 09:38 31/10/2020
Câu trả lời của bạn: 09:26 08/10/2020
Câu trả lời của bạn: 09:24 08/10/2020
Câu trả lời của bạn: 09:24 08/10/2020
Câu trả lời của bạn: 09:21 08/10/2020
Câu trả lời của bạn: 09:20 08/10/2020
1+2+4+3+2
=(1+3)+(2+2)+4
=4+4+4
=12
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