五年級(jí)分?jǐn)?shù)除法計(jì)算題

五年級(jí)分?jǐn)?shù)除法計(jì)算題介紹本文檔將提供一系列適合五年級(jí)學(xué)生練的分?jǐn)?shù)除法計(jì)算題。分?jǐn)?shù)除法是數(shù)學(xué)中的重要知識(shí)點(diǎn)，通過練可以幫助學(xué)生鞏固和提高他們的分?jǐn)?shù)運(yùn)算能力。知識(shí)點(diǎn)在開始練之前，學(xué)生需要了解以下基本知識(shí)點(diǎn)：-分?jǐn)?shù)的定義和表示方法-分?jǐn)?shù)的加減乘除運(yùn)算規(guī)則-分?jǐn)?shù)與整數(shù)的互化練題1.計(jì)算：$\frac{2}{3}\div\frac{1}{4}$2.計(jì)算：$\frac{5}{6}\div\frac{2}{9}$3.計(jì)算：$\frac{3}{4}\div\frac{5}{6}$4.計(jì)算：$\frac{7}{8}\div\frac{3}{4}$5.計(jì)算：$\frac{1}{2}\div\frac{3}{5}$6.計(jì)算：$\frac{4}{5}\div\frac{2}{3}$7.計(jì)算：$\frac{2}{5}\div\frac{2}{7}$8.計(jì)算：$\frac{4}{7}\div\frac{7}{9}$9.計(jì)算：$\frac{1}{3}\div\frac{4}{5}$10.計(jì)算：$\frac{2}{9}\div\frac{1}{8}$11.計(jì)算：$\frac{3}{4}\div\frac{7}{8}$12.計(jì)算：$\frac{1}{2}\div\frac{5}{6}$13.計(jì)算：$\frac{7}{8}\div\frac{3}{5}$14.計(jì)算：$\frac{5}{6}\div\frac{2}{3}$15.計(jì)算：$\frac{4}{7}\div\frac{2}{5}$16.計(jì)算：$\frac{1}{3}\div\frac{4}{9}$17.計(jì)算：$\frac{3}{5}\div\frac{2}{7}$18.計(jì)算：$\frac{2}{3}\div\frac{3}{4}$19.計(jì)算：$\frac{1}{2}\div\frac{7}{9}$20.如果$\frac{x}{4}=\frac{2}{3}$，求$x$的值。解答1.$\frac{2}{3}\div\frac{1}{4}=\frac{2}{3}\times\frac{4}{1}=\frac{8}{3}$2.$\frac{5}{6}\div\frac{2}{9}=\frac{5}{6}\times\frac{9}{2}=\frac{15}{4}$3.$\frac{3}{4}\div\frac{5}{6}=\frac{3}{4}\times\frac{6}{5}=\frac{18}{20}=\frac{9}{10}$4.$\frac{7}{8}\div\frac{3}{4}=\frac{7}{8}\times\frac{4}{3}=\frac{28}{24}=\frac{7}{6}$5.$\frac{1}{2}\div\frac{3}{5}=\frac{1}{2}\times\frac{5}{3}=\frac{5}{6}$6.$\frac{4}{5}\div\frac{2}{3}=\frac{4}{5}\times\frac{3}{2}=\frac{12}{10}=\frac{6}{5}$7.$\frac{2}{5}\div\frac{2}{7}=\frac{2}{5}\times\frac{7}{2}=\frac{14}{10}=\frac{7}{5}$8.$\frac{4}{7}\div\frac{7}{9}=\frac{4}{7}\times\frac{9}{7}=\frac{36}{49}$9.$\frac{1}{3}\div\frac{4}{5}=\frac{1}{3}\times\frac{5}{4}=\frac{5}{12}$10.$\frac{2}{9}\div\frac{1}{8}=\frac{2}{9}\times\frac{8}{1}=\frac{16}{9}$11.$\frac{3}{4}\div\frac{7}{8}=\frac{3}{4}\times\frac{8}{7}=\frac{24}{28}=\frac{6}{7}$12.$\frac{1}{2}\div\frac{5}{6}=\frac{1}{2}\times\frac{6}{5}=\frac{6}{10}=\frac{3}{5}$13.$\frac{7}{8}\div\frac{3}{5}=\frac{7}{8}\times\frac{5}{3}=\frac{35}{24}$14.$\frac{5}{6}\div\frac{2}{3}=\frac{5}{6}\times\frac{3}{2}=\frac{15}{12}=\frac{5}{4}$15.$\frac{4}{7}\div\frac{2}{5}=\frac{4}{7}\times\frac{5}{2}=\frac{20}{14}=\frac{10}{7}$16.$\frac{1}{3}\div\frac{4}{9}=\frac{1}{3}\times\frac{9}{4}=\frac{9}{12}=\frac{3}{4}$17.$\frac{3}{5}\div\frac{2}{7}=\frac{3}{5}\times\frac{7}{2}=\frac{21}{10}$18.$\frac{2}{3}\div\frac{3}{4}=\frac{2}{3}\times\frac{4}{3}=\frac{8}{9}$19.$\frac{1}{2}\div\frac{7}{9}=\frac{1}{2}\times\frac{9}{7}=\frac{9}{14}$20.$\frac{x}{4}=\frac{2}{3}$，可以通過交叉乘積的方法解得$x=\frac{8}{3}$。總結(jié)通過以上的練習(xí)題，我們可以發(fā)現(xiàn)分?jǐn)?shù)除法可以通過將除法