《2025年通城学典全程测评卷六年级数学上册苏教版江苏专版》

1. 直接写出得数。(8 分)
$1-\frac {1}{4}=$$\frac{3}{4}$ $1÷12.5\% =$8 $6÷\frac {7}{6}=$$\frac{36}{7}$ $\frac {1}{7}+\frac {6}{7}×\frac {5}{6}=$$\frac{6}{7}$
$0.5^{3}=$0.125 $\frac {5}{12}+\frac {1}{3}=$$\frac{3}{4}$ $18×\frac {4}{3}=$24 $\frac {3}{7}×4÷\frac {3}{7}×4=$16

答案： $\frac{3}{4}$ 8 $\frac{36}{7}$ $\frac{6}{7}$ 0.125 $\frac{3}{4}$ 24 16

2. 计算下面各题,怎样算简便就怎样算。(18 分)
$\frac {7}{8}÷\frac {11}{6}×\frac {4}{21}$ $4-\frac {5}{28}÷\frac {5}{4}-\frac {6}{7}$
$(\frac {7}{10}+\frac {4}{5}-\frac {3}{8})÷\frac {1}{40}$ $5÷\frac {5}{6}+\frac {5}{6}÷5$
$\frac {5}{8}÷\frac {7}{4}+\frac {3}{8}×\frac {4}{7}$ $\frac {8}{9}÷[(\frac {3}{4}+\frac {1}{6})×\frac {3}{11}]$

答案： $\frac{7}{8}÷\frac{11}{6}×\frac{4}{21}$
$=\frac{7}{8}×\frac{6}{11}×\frac{4}{21}$
$=\frac{1}{11}$
$4-\frac{5}{28}÷\frac{5}{4}-\frac{6}{7}$
$=4-\frac{5}{28}×\frac{4}{5}-\frac{6}{7}$
$=4-\frac{1}{7}-\frac{6}{7}$
$=4-(\frac{1}{7}+\frac{6}{7})$
$=3$
$(\frac{7}{10}+\frac{4}{5}-\frac{3}{8})÷\frac{1}{40}$
$=(\frac{7}{10}+\frac{4}{5}-\frac{3}{8})×40$
$=\frac{7}{10}×40+\frac{4}{5}×40-\frac{3}{8}×40$
$=28+32-15$
$=45$
$5÷\frac{5}{6}+\frac{5}{6}÷5$
$=5×\frac{6}{5}+\frac{5}{6}×\frac{1}{5}$
$=6+\frac{1}{6}$
$=6\frac{1}{6}$
$\frac{5}{8}÷\frac{7}{4}+\frac{3}{8}×\frac{4}{7}$
$=\frac{5}{8}×\frac{4}{7}+\frac{3}{8}×\frac{4}{7}$
$=\frac{4}{7}×(\frac{5}{8}+\frac{3}{8})$
$=\frac{4}{7}$
$\frac{8}{9}÷[(\frac{3}{4}+\frac{1}{6})×\frac{3}{11}]$
$=\frac{8}{9}÷[\frac{11}{12}×\frac{3}{11}]$
$=\frac{8}{9}÷\frac{1}{4}$
$=\frac{32}{9}$