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0
2022-05-13 22:16:31
đây là toán lớp 2 mà
2022-05-13 22:16:00
a số cây nhà bác tư là
523 + 170 = 693 cây
b tổng số cây hai bác là
523 + 693 = 1216 cây
2022-05-13 22:11:28
2022-05-13 22:02:01
do phải là does chứ