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Thuyduong1365
2 năm trước
cho tam giác ABC vuông tại A có AB = 16cm , AC = 12cm . Kẻ AH vuông BC tại H . Gọi Stam giác ABC là diện tích tam giác ABC 1) tính Stam giác ABC 2) tính BC, AH 3) tính BH, CH
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