$\frac{1}{3} + \frac{4}{5} × \frac{3}{2}$
答案:
$\frac{1}{3} + \frac{6}{5}$
$= \frac{5}{15} + \frac{18}{15}$
$= \frac{23}{15}$
$= \frac{5}{15} + \frac{18}{15}$
$= \frac{23}{15}$
$\frac{37}{18} - \frac{7}{6} × \frac{5}{3}$
答案:
$\frac{37}{18} - \frac{35}{18}$
$= \frac{2}{18}$
$= \frac{1}{9}$
$= \frac{2}{18}$
$= \frac{1}{9}$
$\frac{11}{14} × \frac{4}{5} - \frac{1}{7}$
答案:
$\frac{44}{70} - \frac{10}{70}$
$= \frac{34}{70}$
$= \frac{17}{35}$
$= \frac{34}{70}$
$= \frac{17}{35}$
$\frac{3}{8} × \frac{6}{5} × \frac{11}{12}$
答案:
$\frac{18}{40} × \frac{11}{12}$
$= \frac{198}{480}$
$= \frac{33}{80}$
$= \frac{198}{480}$
$= \frac{33}{80}$
$\frac{21}{10} ÷ \frac{3}{5} × \frac{1}{5}$
答案:
$\frac{21}{10} × \frac{5}{3} × \frac{1}{5}$
$= \frac{7}{2} × \frac{1}{5}$
$= \frac{7}{10}$
$= \frac{7}{2} × \frac{1}{5}$
$= \frac{7}{10}$
$\frac{3}{5} ÷ (\frac{9}{10} × \frac{4}{5})$
答案:
$\frac{3}{5} ÷ \frac{36}{50}$
$= \frac{3}{5} × \frac{50}{36}$
$= \frac{25}{18}$
$= \frac{3}{5} × \frac{50}{36}$
$= \frac{25}{18}$
$\frac{3}{4} × \frac{5}{12} - \frac{1}{8}$
答案:
$\frac{15}{48} - \frac{6}{48}$
$= \frac{9}{48}$
$= \frac{3}{16}$
$= \frac{9}{48}$
$= \frac{3}{16}$
$\frac{5}{16} × \frac{1}{15} + \frac{5}{32}$
答案:
$\frac{1}{48} + \frac{5}{32}$
$= \frac{2}{96} + \frac{15}{96}$
$= \frac{17}{96}$
$= \frac{2}{96} + \frac{15}{96}$
$= \frac{17}{96}$
$\frac{1}{3} × \frac{24}{25} ÷ \frac{2}{5}$
答案:
$\frac{8}{25} × \frac{5}{2}$
$= \frac{40}{50}$
$= \frac{4}{5}$
$= \frac{40}{50}$
$= \frac{4}{5}$
$\frac{3}{8} + \frac{5}{6} × \frac{3}{4}$
答案:
$\frac{3}{8} + \frac{15}{24}$
$= \frac{9}{24} + \frac{15}{24}$
$= \frac{24}{24}$
$= 1$
$= \frac{9}{24} + \frac{15}{24}$
$= \frac{24}{24}$
$= 1$
$\frac{2}{7} ÷ \frac{2}{5} × \frac{7}{12}$
答案:
$\frac{2}{7} × \frac{5}{2} × \frac{7}{12}$
$= \frac{5}{7} × \frac{7}{12}$
$= \frac{5}{12}$
$= \frac{5}{7} × \frac{7}{12}$
$= \frac{5}{12}$
$\frac{5}{9} × \frac{3}{7} - \frac{2}{21}$
答案:
$\frac{15}{63} - \frac{6}{63}$
$= \frac{9}{63}$
$= \frac{1}{7}$
$= \frac{9}{63}$
$= \frac{1}{7}$
$\frac{3}{13} × \frac{5}{9} + \frac{16}{39}$
答案:
$\frac{15}{117} + \frac{48}{117}$
$= \frac{63}{117}$
$= \frac{7}{13}$
$= \frac{63}{117}$
$= \frac{7}{13}$
$\frac{4}{5} ÷ \frac{1}{15} × \frac{1}{6}$
答案:
$\frac{4}{5} × 15 × \frac{1}{6}$
$= 12 × \frac{1}{6}$
$= 2$
$= 12 × \frac{1}{6}$
$= 2$
$\frac{9}{10} × \frac{8}{9} × 1\frac{3}{7}$
答案:
$\frac{9}{10} × \frac{8}{9} × \frac{10}{7}$
$= \frac{8}{10} × \frac{10}{7}$
$= \frac{8}{7}$
$= \frac{8}{10} × \frac{10}{7}$
$= \frac{8}{7}$
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