《2025年口算大通关六年级数学上册苏教版》

$\frac {3}{8}×($$\frac{8}{3}$$)= 1$ $\frac {8}{7}×($$\frac{7}{8}$$)= 1$ $($3$)×\frac {1}{3}= 1$ $($$\frac{7}{5}$$)×\frac {5}{7}= 1$
$2×($$\frac{1}{2}$$)= 1$ $1×($1$)= 1$ $($$\frac{1}{6}$$)×6= 1$ $($$\frac{1}{10}$$)×10= 1$
$\frac {5}{8}+($$\frac{3}{8}$$)= 1$ $\frac {9}{8}-($$\frac{1}{8}$$)= 1$ $($$\frac{14}{9}$$)×\frac {9}{14}= 1$ $($$\frac{2}{17}$$)×\frac {17}{2}= 1$
$0.7×($$\frac{10}{7}$$)= 1$ $36×($$\frac{1}{36}$$)= 1$ $($$\frac{10}{13}$$)×1.3= 1$ $($4$)×0.25= 1$

答案： $\frac{8}{3}$ $\frac{7}{8}$ 3 $\frac{7}{5}$ $\frac{1}{2}$ 1 $\frac{1}{6}$ $\frac{1}{10}$ $\frac{3}{8}$ $\frac{1}{8}$ $\frac{14}{9}$ $\frac{2}{17}$ $\frac{10}{7}$ $\frac{1}{36}$ $\frac{10}{13}$ 4

$\frac {12}{11}$ $\frac {5}{18}$ $\frac {7}{5}$ $\frac {9}{10}$
5 0.5 2.4 1

答案： $\frac{11}{12}$ $\frac{18}{5}$ $\frac{5}{7}$ $\frac{10}{9}$ $\frac{1}{5}$ 2 $\frac{5}{12}$ 1

$\frac {1}{4}×36×\frac {5}{6}$ $\frac {7}{15}×\frac {14}{5}×\frac {5}{14}$ $15×\frac {8}{13}×\frac {13}{20}$
$\frac {7}{9}×\frac {8}{7}×\frac {3}{16}$ $\frac {9}{19}×\frac {1}{18}×76$ $\frac {9}{20}×\frac {15}{16}×\frac {8}{45}$

答案： $\frac{15}{2}$ $\frac{7}{15}$ 6 $\frac{1}{6}$ 2 $\frac{3}{40}$