Toán Lớp 6: (17 ×-25):8+65=9 ² giup me voi huhu
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Toán Lớp 6: (17 ×-25):8+65=9 ² giup me voi huhu
Comments ( 2 )
\left( {17 \times x – 25} \right):8 + 65 = 9\\
\left( {17 \times x – 25} \right):8 + 65 = 81\\
\left( {17 \times x – 25} \right):8 = 81 – 65\\
\left( {17 \times x – 25} \right):8 = 16\\
17 \times x – 25 = 16 \times 8\\
17 \times x – 25 = 128\\
17 \times x = 153\\
x = 153:17\\
x = 9
\end{array}\]