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2022-04-15 15:22:09
599 cho mik đúng 2gp đi
2022-04-15 15:21:09
599
2022-04-15 14:58:12
bài giải :
độ dài 1 cạch hình vuông là:
104-16=98(cm)
chu vi hình chữ nhật là :
98x4= 392(cm)
Đáp số : 392cm