《2025年鼎尖同步练习六年级数学上册人教版》

$18×\frac{1}{3}= $
$45×\frac{4}{15}= $
$\frac{5}{6}×\frac{7}{10}= $
$\frac{7}{10}×0= $
$\frac{4}{7}×\frac{7}{8}= $
$\frac{3}{16}×3.2= $
$\frac{11}{16}×12= $
$2.2×\frac{9}{22}= $
$5.4×\frac{2}{9}= $
$0.6×\frac{5}{2}= $
$\frac{7}{12}×\frac{6}{5}= $
$\frac{32}{35}×\frac{7}{32}= $
$\frac{5}{6}×\frac{3}{4}= $
$36×\frac{7}{12}= $
$\frac{3}{4}×\frac{8}{3}= $
$\frac{7}{10}×2.5= $
$12×\frac{11}{60}= $
$\frac{3}{5}×\frac{2}{3}= $
$5.6×\frac{9}{4}= $
$1.5×\frac{4}{15}= $
$10.5×\frac{4}{5}= $
$\frac{2}{9}×\frac{5}{14}= $
$\frac{5}{8}×\frac{4}{15}= $
$\frac{10}{13}×39= $

答案： 6 12 $\frac{7}{12}$ 0 $\frac{1}{2}$ 0.6 $\frac{33}{4}$ 0.9 1.2 1.5 $\frac{7}{10}$ $\frac{1}{5}$ $\frac{5}{8}$ 21 2 $\frac{7}{4}$ $\frac{11}{5}$ $\frac{2}{5}$ 12.6 0.4 8.4 $\frac{5}{63}$ $\frac{1}{6}$ 30

脱式计算,能简算的要简算。
$\frac{5}{9}×9+\frac{2}{7}$
$\frac{8}{15}-\frac{3}{5}×\frac{5}{6}$
$\frac{1}{12}×25×\frac{4}{5}$
$54×(\frac{5}{6}-\frac{2}{9})$
$\frac{5}{14}×\frac{7}{4}+\frac{9}{14}×\frac{7}{4}$
$\frac{2}{17}×33+\frac{2}{17}$

答案： $5\frac{2}{7}$ $\frac{1}{30}$ $\frac{5}{3}$ 33 $\frac{7}{4}$ 4