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Duyen Duyen
Giới thiệu về bản thân
CÙNG NHAU HỌC NỮA HỌC MÃI ĐỂ ĐẾN GẦN VỚI ƯỚC MƠ VÀ TƯƠNG LAI CỦA BẢN THÂN NÀO !! FIGHTING
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2022-08-18 11:09:37
\(\dfrac{20}{45}-\left(\dfrac{2}{3}-10\right)=\dfrac{4}{9}-\left(\dfrac{2-30}{3}\right)=\dfrac{4}{9}-\left(-\dfrac{28}{3}\right)=\dfrac{4}{9}+\dfrac{28}{3}=\dfrac{4}{9}+\dfrac{84}{9}=\dfrac{88}{9}\)