2025年心算口算巧算六年级上册北师大版


注:目前有些书本章节名称可能整理的还不是很完善,但都是按照顺序排列的,请同学们按照顺序仔细查找。练习册 2025年心算口算巧算六年级上册北师大版 答案主要是用来给同学们做完题方便对答案用的,请勿直接抄袭。



《2025年心算口算巧算六年级上册北师大版》

$\frac{1}{6} × \frac{1}{3} ÷ 3$
答案: $\frac{1}{18} × \frac{1}{3}$
$= \frac{1}{54}$
$\frac{14}{15} - 1 ÷ \frac{5}{4}$
答案: $\frac{14}{15} - \frac{4}{5}$
$= \frac{14}{15} - \frac{12}{15}$
$= \frac{2}{15}$
$\frac{4}{5} - \frac{1}{5} × \frac{1}{3}$
答案: $\frac{4}{5} - \frac{1}{15}$
$= \frac{12}{15} - \frac{1}{15}$
$= \frac{11}{15}$
$(\frac{9}{5} ÷ \frac{3}{10}) × \frac{11}{13}$
答案: $(\frac{9}{5} × \frac{10}{3}) × \frac{11}{13}$
$= 6 × \frac{11}{13}$
$= \frac{66}{13}$
$\frac{1}{4} × \frac{3}{7} + \frac{4}{7}$
答案: $\frac{3}{28} + \frac{16}{28}$
$= \frac{19}{28}$
$12 × (\frac{5}{6} - \frac{1}{4})$
答案: $12 × \frac{5}{6} - 12 × \frac{1}{4}$
$= 10 - 3$
$= 7$
$2 + \frac{7}{10} ÷ \frac{3}{10}$
答案: $2 + \frac{7}{10} × \frac{10}{3}$
$= 2 + \frac{7}{3}$
$= \frac{6}{3} + \frac{7}{3}$
$= \frac{13}{3}$
$\frac{4}{5} - \frac{1}{10} × 4$
答案: $\frac{4}{5} - \frac{4}{10}$
$= \frac{8}{10} - \frac{4}{10}$
$= \frac{4}{10}$
$= \frac{2}{5}$
$\frac{3}{5} × \frac{4}{9} + \frac{1}{3}$
答案: $\frac{12}{45} + \frac{15}{45}$
$= \frac{27}{45}$
$= \frac{3}{5}$
$\frac{7}{8} × \frac{6}{7} × \frac{5}{6}$
答案: $\frac{6}{8} × \frac{5}{6}$
$= \frac{5}{8}$
$\frac{2}{3} × (\frac{3}{4} - \frac{1}{5})$
答案: $\frac{2}{3} × (\frac{15}{20} - \frac{4}{20})$
$= \frac{2}{3} × \frac{11}{20}$
$= \frac{11}{30}$
$\frac{11}{13} ÷ \frac{12}{13} + \frac{1}{12}$
答案: $\frac{11}{13} × \frac{13}{12} + \frac{1}{12}$
$= \frac{11}{12} + \frac{1}{12}$
$= 1$
$\frac{1}{2} × \frac{4}{5} - \frac{1}{10}$
答案: $\frac{4}{10} - \frac{1}{10}$
$= \frac{3}{10}$
$\frac{5}{8} + \frac{3}{5} × \frac{3}{8}$
答案: $\frac{5}{8} + \frac{9}{40}$
$= \frac{25}{40} + \frac{9}{40}$
$= \frac{34}{40}$
$= \frac{17}{20}$
$(\frac{14}{3} - \frac{7}{6}) ÷ 2$
答案: $(\frac{28}{6} - \frac{7}{6}) × \frac{1}{2}$
$= \frac{21}{6} × \frac{1}{2}$
$= \frac{7}{4}$

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