《2025年阳光同学计算小达人六年级数学上册苏教版》

1. 直接写出得数。(建议 2 分钟完成)
$1-\frac {7}{10}=$$\frac{3}{10}$
$\frac {9}{14}÷\frac {3}{7}=$$\frac{3}{2}$
$\frac {5}{8}×40=$25
$\frac {17}{21}-\frac {3}{7}=$$\frac{8}{21}$
$\frac {4}{5}×\frac {1}{3}=$$\frac{4}{15}$
$1÷\frac {5}{6}=$$\frac{6}{5}$
$\frac {4}{5}÷\frac {8}{15}=$$\frac{3}{2}$
$\frac {5}{8}÷\frac {5}{12}=$$\frac{3}{2}$
$12÷\frac {1}{4}=$48
$\frac {1}{5}×\frac {14}{15}=$$\frac{14}{75}$
$\frac {1}{9}÷\frac {1}{10}=$$\frac{10}{9}$
$\frac {1}{5}÷\frac {2}{3}=$$\frac{3}{10}$
$\frac {5}{6}×\frac {3}{4}=$$\frac{5}{8}$
$\frac {6}{7}÷\frac {2}{14}=$6
$\frac {1}{9}×5=$$\frac{5}{9}$
$\frac {4}{5}÷\frac {8}{5}=$$\frac{1}{2}$

答案： $\frac{3}{10}$ $\frac{3}{2}$ 25 $\frac{8}{21}$ $\frac{4}{15}$ $\frac{6}{5}$ $\frac{3}{2}$ $\frac{3}{2}$ 48 $\frac{14}{75}$ $\frac{10}{9}$ $\frac{3}{10}$ $\frac{5}{8}$ 6 $\frac{5}{9}$ $\frac{1}{2}$

2. 计算下面各题,能简算的要简算。(建议 5 分钟完成)
$9×\frac {5}{9}-\frac {3}{8}×\frac {4}{7}$
$1-\frac {5}{8}÷\frac {15}{14}-\frac {5}{12}$
$\frac {9}{10}×[\frac {3}{4}÷(\frac {1}{4}+\frac {1}{5})]$
$\frac {2}{7}×\frac {5}{18}+\frac {5}{7}×\frac {8}{9}$
$90×(\frac {1}{6}+\frac {1}{10}+\frac {1}{15})$
$\frac {4}{5}÷[(\frac {5}{9}-\frac {1}{2})÷\frac {5}{9}]$
用简便方法计算下面各题。
$15÷15\frac {15}{16}$
$1-54÷54\frac {54}{55}$
$28÷28\frac {28}{29}+\frac {1}{30}$

答案： $4\frac{11}{14}$ 0 $\frac{3}{2}$ $\frac{5}{7}$ 30 8 提升练 $\frac{16}{17}$ $\frac{1}{56}$ 1