《2025年计算全能五年级数学下册人教版》

一、直接写出得数。
$24.24\div6=$ ________ $0.27 - 0.09 =$ ________ $9.9\times0.8 =$ ________
$9.5\times0.6 =$ ________ $12.5 - 0.8 =$ ________ $1.2 + 9.73 =$ ________
$2.6 - 0.74 =$ ________ $16.2\times4 =$ ________ $4.96\div4 =$ ________
$0.3\div0.2 =$ ________ $3.75\times4 =$ ________ $0.4\times9.2 =$ ________
$14.4\div2 =$ ________ $0.23\times0.9 =$ ________ $16.8\div0.4 =$ ________
$3.9\div13 =$ ________ $3.99\div0.3 =$ ________ $8.5\times0.8 =$ ________
$2.52\times0.2 =$ ________ $0.54\div0.6 =$ ________ $1.08\times5 =$ ________

答案： 4.04 0.18 7.92 5.7 11.7 10.93 1.86 64.8 1.24 1.5 15 3.68 7.2 0.207 42 0.3 13.3 6.8 0.504 0.9 5.4

二、约分$\frac{64}{72}=$ ________ $\frac{64}{80}=$ ________ $\frac{72}{81}=$ ________ $\frac{120}{144}=$ ________
$\frac{30}{48}=$ ________ $\frac{15}{75}=$ ________ $\frac{25}{75}=$ ________ $\frac{32}{48}=$ ________
$\frac{15}{36}=$ ________ $\frac{75}{90}=$ ________ $\frac{24}{64}=$ ________ $\frac{28}{48}=$ ________
$\frac{20}{15}=$ ________ $\frac{15}{42}=$ ________ $\frac{22}{55}=$ ________ $\frac{85}{34}=$ ________

答案： $\frac{8}{9}$ $\frac{4}{5}$ $\frac{8}{9}$ $\frac{5}{6}$ $\frac{5}{8}$ $\frac{1}{5}$ $\frac{1}{3}$ $\frac{2}{3}$ $\frac{5}{12}$ $\frac{5}{6}$ $\frac{3}{8}$ $\frac{7}{12}$ $\frac{4}{3}$ $\frac{5}{14}$ $\frac{2}{5}$ $\frac{5}{2}$

三、通分。$\frac{2}{3}$和$\frac{8}{11}$ $\frac{4}{7}$和$\frac{5}{14}$ $\frac{1}{3}$和$\frac{1}{9}$ $\frac{5}{9}$和$\frac{3}{8}$
$\frac{3}{5}$和$\frac{3}{4}$ $\frac{5}{6}$和$\frac{4}{9}$ $\frac{5}{8}$和$\frac{7}{24}$ $\frac{7}{12}$和$\frac{5}{8}$

答案： $\frac{2}{3}=\frac{22}{33}$ $\frac{8}{11}=\frac{24}{33}$ $\frac{4}{7}=\frac{8}{14}$ $\frac{5}{14}=\frac{5}{14}$ $\frac{1}{3}=\frac{3}{9}$ $\frac{1}{9}=\frac{1}{9}$ $\frac{5}{9}=\frac{40}{72}$ $\frac{3}{8}=\frac{27}{72}$ $\frac{3}{5}=\frac{12}{20}$ $\frac{3}{4}=\frac{15}{20}$ $\frac{5}{6}=\frac{15}{18}$ $\frac{4}{9}=\frac{8}{18}$ $\frac{5}{8}=\frac{15}{24}$ $\frac{7}{24}=\frac{7}{24}$ $\frac{7}{12}=\frac{14}{24}$ $\frac{5}{8}=\frac{15}{24}$