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nguyentranquocbao4597
2 năm trước
Bài 1: cho tam giác ABC biết A=100o, B=40o. Tính C b) cho tam giác DEF biết D=50o, F=60o. Tính E Bài 2: cho tam giác abc cân tại A biết A=40o. Tính B,C b) cho tam giác MNK cân tại M biết N=40o. Tính K,M
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