Q
quylua224


rút gọn
a, ba x 2nm - nab x \sqrt[2]{mn}+\frac{a^2}{b^2}x\frac{m}{n}$ với m > 0 , n>0
b, 272 - $\sqrt[2]{5$\frac{1}{3}$}$ + 4,5 x $\sqrt[2]{2$\frac{2}{3}$}$ + 2 x 227
c, 22+232+23−22−23
d, 23+14 + 23−21 + 23−36
a, ba x 2nm - nab x \sqrt[2]{mn}+\frac{a^2}{b^2}x\frac{m}{n}$ với m > 0 , n>0
b, 272 - $\sqrt[2]{5$\frac{1}{3}$}$ + 4,5 x $\sqrt[2]{2$\frac{2}{3}$}$ + 2 x 227
c, 22+232+23−22−23
d, 23+14 + 23−21 + 23−36
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