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2022-08-02 15:13:26
Ngày thứ 2 dệt được số m vải là
16,4 + 3,2 = 19,6 (m)
Ngày thứ 3 dệt được số m vải là
19,6+2,1=21,7 (m)
Cả 3 ngày người đó dệt được số m vải là
21,7+16,4+19,6=57,7