hinh chu nhat co chu vi 182 neu tang chieu rong 8 thi giam chieu dai 7 duoc mot hinh vuong. tim chieu dai, ch?

giup em voi cac anh chi oi, sao ma kho qua suy nghi hoai hong duoc. cho hinh chu nhat co chu vi la 182 cm neu tang chieu rong 8 cm va giam chieu dai 7cm thi duoc hinh vuong tim chieu dai va chieu rong

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