《2025年通城学典计算能手五年级数学下册青岛版五四制》

一、口算。
$40\%\div\frac{2}{3}=$ $25\%+\frac{3}{4}=$ $10 - 80\%-\frac{1}{5}=$
$16.31 - 2.13 =$ $\frac{7}{8}×\frac{4}{21}=$ $60\%×4\div30\% =$
$35×4 =$ $4.4 - 4\% =$ $40\div25\%\div4 =$
$\frac{5}{6}+25\% =$ $8\div\frac{4}{7}=$ $(\frac{7}{10}-\frac{2}{15})×30 =$
$0.2×0.38 =$ $\frac{5}{8}+\frac{2}{9}=$ $100\% - 50\%×50\% =$
$\frac{3}{4}-\frac{5}{12}=$ $4.5\div18\% =$ $\frac{5}{6}×(18+\frac{6}{25})=$
$16×25\% =$ $156×\frac{4}{13}=$ $7×\frac{3}{4}\div7×\frac{3}{4}=$
$\frac{9}{20}+75\% =$ $\frac{2}{3}-25\% =$ $(25\% + 12.5\%)×4 =$
$0.3\div60\% =$ $\frac{8}{27}×75\% =$ $\frac{2}{3}×20\%×125\% =$
$152\% - 36\% =$ $\frac{6}{5}\div\frac{8}{15}=$ $\frac{5}{6}×\frac{1}{3}\div\frac{3}{4}=$

答案： $\frac{3}{5}$@@1@@9@@14.18@@$\frac{1}{6}$@@8@@140@@4.36@@40@@$\frac{13}{12}$@@14@@17@@0.076@@$\frac{61}{72}$@@0.75@@$\frac{1}{3}$@@25@@$15\frac{1}{5}$@@4@@48@@$\frac{9}{16}$@@$\frac{6}{5}$@@$\frac{5}{12}$@@1.5@@0.5@@$\frac{2}{9}$@@$\frac{1}{6}$@@116%@@$\frac{9}{4}$@@$\frac{10}{27}$

二、计算下面各题，怎样简便就怎样计算。
$125\%×3.2×25$ $2.3×98 + 3×2.3 - 2.3$ $\frac{16}{17}×(3-\frac{16}{5}×\frac{5}{16})$

答案： 100@@230@@$\frac{32}{17}$