第11页 - 启东中学作业本七年级数学人教版

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$=4×\frac {1}{2}×2×2$

$=8$

$=36×\frac {1}{4}×\frac {1}{4}×\frac {2}{3}$

$=\frac {3}{2}$

$=35×\frac {8}{5}×\frac {3}{4}×\frac {3}{2}$

$=63$

$=-\frac {5}{2}×\frac {16}{5}×8×\frac {1}{4}$

$=-\frac {1}{4}$

$=-12-(-4)$

$=-8$

$=-66×4-2.5÷0.1$

$=-264-25$

$=-289$

$=-6-30$

$=-36$

$=\frac {6}{5}×2/ 3+\frac {3}{4}×\frac {8}{5}$

$=\frac {4}{5}+\frac {6}{5}$

$=2$

$=(-35-\frac {7}{11})×\frac {1}{7}$

$=-35×\frac {1}{7}-\frac {7}{11}×\frac {1}{7}$

$=-5-\frac {1}{11}$

$=-5 \frac {1}{11}$

$=(\frac {1}{7}+\frac {1}{3}-\frac {1}{5})×(-105)$

$=-\frac {1}{7}×105-\frac {1}{3}×105+\frac {1}{5}×105$

$=-15-35+21$

$=-29$