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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: Thực hiện phép tính: a) $\frac{15}{34}$+$\frac{7}{21}$+$\frac{19}{34}$-$\frac{20}{15}$+$\frac{3}{7}$ b) 26$\frac{1}{5}$.$\frac{3}{4}$ - $\frac{3}{4}$.44$\frac{1}{5}$ c) (-$\frac{1}{3}$)$^{2}$ -($\frac{1}{4}$:2-$\frac{7}{16}$. $\frac{-4}{21}$) { "@context": "https://schema.org", "@type": "QAPage", "mainEntity": ...

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