8 x 8 = 16 + 8 = 24 - ( 8 : 8 ) = 23 + 8 = 31 - 8 = 23
\(8\times8+8-8\div8+8-8\)
\(=64+8-1+8-8\)
\(=72-1+0\)
\(=71\)
\(8\cdot8+8-8:8+8-8\)
\(8\cdot8+8-8\cdot\frac{1}{8}+8-8\)
\(=8\cdot\left(8+1-\frac{1}{8}+1-1\right)\)
\(=8\cdot\frac{71}{8}\)
\(=71\)