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Toán Lớp 9: bài 1 thực hiện phép tính a, √2 x √162 b, √5 x √45 c, √52 x √13 d. √90 x 6,4 e, √2,5 x14,4 f. √

Home/ Toán Lớp 9: bài 1 thực hiện phép tính a, √2 x √162 b, √5 x √45 c, √52 x √13 d. √90 x 6,4 e, √2,5 x14,4 f. √

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