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![](https://rs.olm.vn/images/avt/0.png?1311)
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đến ngô bảo châu về nuoc cung k hieu mẹ viêt cua nợ j trên kia?
mẹ dốt toán có đẳng cấp
![](https://rs.olm.vn/images/avt/0.png?1311)
Tự vẽ hình nha;
Do xy song song với ab và mn cắt xy tại K, ab tại H
=> Góc mKy = Góc KHb ( 2 góc đồng vị)
=> 1/2 góc mKy = 1/2 góc KHb
=> Góc tKy = Góc zHb
=> Kt song song với Hz ( Do có 2 góc đồng vị bằng nhau)
![](https://rs.olm.vn/images/avt/0.png?1311)
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