2025年口算训练六年级数学上册人教版双色升级版


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年口算训练六年级数学上册人教版双色升级版 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年口算训练六年级数学上册人教版双色升级版》

$\frac { 4 } { 5 } × 5 =$
4
;$\frac { 2 } { 5 } × 4 =$
$\frac{8}{5}$
;$\frac { 1 } { 5 } × 6 =$
$\frac{6}{5}$
;$\frac { 2 } { 7 } × 5 =$
$\frac{10}{7}$
;$\frac { 3 } { 5 } × 40 =$
24
;$\frac { 7 } { 8 } × 2 =$
$\frac{7}{4}$
;$\frac { 1 } { 6 } × 4 =$
$\frac{2}{3}$
;$\frac { 7 } { 32 } × 8 =$
$\frac{7}{4}$
;$\frac { 4 } { 5 } × 15 =$
12
;$\frac { 5 } { 12 } × 6 =$
$\frac{5}{2}$
;$\frac { 2 } { 3 } × 9 =$
6
;$\frac { 2 } { 15 } × 3 =$
$\frac{2}{5}$
;$\frac { 7 } { 18 } × 9 =$
$\frac{7}{2}$
答案: 解析:
这些题目都是基础的分数乘法口算题,主要考察分数与整数的乘法运算。
答案:
$\frac{4}{5} × 5 = 4$;
$\frac{2}{5} × 4 = \frac{8}{5}$;
$\frac{1}{5} × 6 = \frac{6}{5}$;
$\frac{2}{7} × 5 = \frac{10}{7}$;
$\frac{3}{5} × 40 = 24$;
$\frac{7}{8} × 2 = \frac{7}{4}$;
$\frac{1}{6} × 4 = \frac{2}{3}$;
$\frac{7}{32} × 8 = \frac{7}{4}$;
$\frac{4}{5} × 15 = 12$;
$\frac{5}{12} × 6 = \frac{5}{2}$;
$\frac{2}{3} × 9 = 6$;
$\frac{2}{15} × 3 = \frac{2}{5}$;
$\frac{7}{18} × 9 = \frac{7}{2}$。
$\frac { 3 } { 4 } × \frac { 1 } { 6 } =$
$\frac{1}{8}$
$\frac { 5 } { 6 } × \frac { 8 } { 9 } =$
$\frac{20}{27}$
$\frac { 4 } { 7 } × 2 =$
$\frac{8}{7}$
$\frac { 4 } { 5 } × 3 =$
$\frac{12}{5}$
$\frac { 3 } { 10 } × 3 =$
$\frac{9}{10}$
$\frac { 4 } { 11 } × 2 =$
$\frac{8}{11}$
$\frac { 1 } { 4 } × 5 =$
$\frac{5}{4}$
$\frac { 2 } { 13 } × 6 =$
$\frac{12}{13}$
$\frac { 1 } { 4 } × 8 =$
$2$
$\frac { 1 } { 2 } × 9 =$
$\frac{9}{2}$
$\frac { 1 } { 4 } × 7 =$
$\frac{7}{4}$
$\frac { 2 } { 9 } × 4 =$
$\frac{8}{9}$
$\frac { 9 } { 17 } × 2 =$
$\frac{18}{17}$
答案: 解析:
这些题目都是分数乘法的练习,要求我们熟练掌握分数之间的乘法运算。分数乘法的步骤是:分子乘分子作为结果的分子,分母乘分母作为结果的分母,然后进行约分。
答案:
$\frac{3}{4} × \frac{1}{6} = \frac{3 × 1}{4 × 6} = \frac{3}{24} = \frac{1}{8}$
$\frac{5}{6} × \frac{8}{9} = \frac{5 × 8}{6 × 9} = \frac{40}{54} = \frac{20}{27}$
$\frac{4}{7} × 2 = \frac{4 × 2}{7} = \frac{8}{7}$
$\frac{4}{5} × 3 = \frac{4 × 3}{5} = \frac{12}{5}$
$\frac{3}{10} × 3 = \frac{3 × 3}{10} = \frac{9}{10}$
$\frac{4}{11} × 2 = \frac{4 × 2}{11} = \frac{8}{11}$
$\frac{1}{4} × 5 = \frac{1 × 5}{4} = \frac{5}{4}$
$\frac{2}{13} × 6 = \frac{2 × 6}{13} = \frac{12}{13}$
$\frac{1}{4} × 8 = \frac{1 × 8}{4} = 2$
$\frac{1}{2} × 9 = \frac{1 × 9}{2} = \frac{9}{2}$
$\frac{1}{4} × 7 = \frac{1 × 7}{4} = \frac{7}{4}$
$\frac{2}{9} × 4 = \frac{2 × 4}{9} = \frac{8}{9}$
$\frac{9}{17} × 2 = \frac{9 × 2}{17} = \frac{18}{17}$
$\frac { 1 } { 6 } × 5 =$
$\frac{5}{6}$
$\frac { 8 } { 15 } × 4 =$
$\frac{32}{15}$
$\frac { 7 } { 18 } × 7 =$
$\frac{49}{18}$
$\frac { 2 } { 39 } × 4 =$
$\frac{8}{39}$
$\frac { 5 } { 16 } × 12 =$
$\frac{15}{4}$
$\frac { 5 } { 18 } × 27 =$
$\frac{15}{2}$
$\frac { 3 } { 17 } × 51 =$
9
$\frac { 6 } { 5 } × \frac { 5 } { 12 } =$
$\frac{1}{2}$
$\frac { 6 } { 5 } × \frac { 1 } { 8 } =$
$\frac{3}{20}$
$\frac { 7 } { 10 } × \frac { 5 } { 7 } =$
$\frac{1}{2}$
$\frac { 2 } { 35 } × \frac { 5 } { 8 } =$
$\frac{1}{28}$
$\frac { 8 } { 27 } × \frac { 3 } { 16 } =$
$\frac{1}{18}$
$\frac { 7 } { 31 } × 3 =$
$\frac{21}{31}$
答案: 解析:这些题目都是分数乘法的计算题。对于分数乘法,直接将两个分数的分子相乘得到新的分子,分母相乘得到新的分母。如果能约分,则进行约分。
答案:
$\frac{1}{6} × 5 = \frac{5}{6}$
$\frac{8}{15} × 4 = \frac{32}{15}$
$\frac{7}{18} × 7 = \frac{49}{18}$
$\frac{2}{39} × 4 = \frac{8}{39}$
$\frac{5}{16} × 12 = \frac{60}{16} = \frac{15}{4}$ (约分后)
$\frac{5}{18} × 27 = \frac{135}{18} = \frac{15}{2}$ (约分后)
$\frac{3}{17} × 51 = \frac{153}{17} = 9$ (因为51是17的倍数,所以直接约分后计算)
$\frac{6}{5} × \frac{5}{12} = \frac{30}{60} = \frac{1}{2}$ (约分后)
$\frac{6}{5} × \frac{1}{8} = \frac{6}{40} = \frac{3}{20}$ (约分后)
$\frac{7}{10} × \frac{5}{7} = \frac{35}{70} = \frac{1}{2}$ (约分后)
$\frac{2}{35} × \frac{5}{8} = \frac{10}{280} = \frac{1}{28}$ (约分后)
$\frac{8}{27} × \frac{3}{16} = \frac{24}{432} = \frac{1}{18}$ (约分后)
$\frac{7}{31} × 3 = \frac{21}{31}$
$12 × \frac { 5 } { 16 } = 7 × \frac { 2 } { 11 } = 65 × \frac { 5 } { 13 } = \frac { 2 } { 11 } × 7 = \frac { 5 } { 16 } × 24 = \frac { 7 } { 20 } × 15 = \frac { 3 } { 8 } × 32 = \frac { 5 } { 12 } × 24 = \frac { 5 } { 6 } × 18 = \frac { 4 } { 7 } × 5 = \frac { 5 } { 16 } × 8 = \frac { 7 } { 18 } × 9 = \frac { 6 } { 17 } × 68 = $
答案: 解析:
这些问题都是基础的分数乘法题。为了求解这类问题,可以直接将整数与分数的分子相乘,然后除以分数的分母。
答案:
$12 × \frac{5}{16} = \frac{60}{16} = \frac{15}{4}=3.75$;
$7 × \frac{2}{11} = \frac{14}{11}=1\frac{3}{11}$;
$65 × \frac{5}{13} = \frac{325}{13} = 25$;
$\frac{2}{11} × 7 = \frac{14}{11}=1\frac{3}{11}$;
$\frac{5}{16} × 24 = \frac{120}{16} = \frac{15}{2}=7.5$;
$\frac{7}{20} × 15 = \frac{105}{20} = \frac{21}{4}=5.25$;
$\frac{3}{8} × 32 = \frac{96}{8} = 12$;
$\frac{5}{12} × 24 = \frac{120}{12} = 10$;
$\frac{5}{6} × 18 = \frac{90}{6} = 15$;
$\frac{4}{7} × 5 = \frac{20}{7}=2\frac{6}{7}$;
$\frac{5}{16} × 8 = \frac{40}{16} = \frac{5}{2}=2.5$;
$\frac{7}{18} × 9 = \frac{63}{18} = \frac{7}{2}=3.5$;
$\frac{6}{17} × 68 = \frac{408}{17} = 24$。
$24 × \frac { 5 } { 16 } = \frac { 5 } { 26 } × 5 = \frac { 4 } { 11 } × 6 = \frac { 2 } { 15 } × 12 = \frac { 1 } { 40 } × 15 = \frac { 3 } { 10 } × 25 = \frac { 3 } { 4 } × 5 = \frac { 3 } { 14 } × 21 = \frac { 4 } { 9 } × 27 = \frac { 9 } { 16 } × 24 = \frac { 3 } { 25 } × 30 = \frac { 5 } { 12 } × 18 = \frac { 7 } { 23 } × 3 = $
答案: 解析:这些题目都是分数与整数的乘法运算。根据乘法运算法则,整数与分数的分子相乘,然后化简得到最简形式。
答案:
$24×\frac{5}{16}=\frac{24×5}{16}=\frac{120}{16}=\frac{15}{2}=7.5$
$\frac{5}{26}×5=\frac{5×5}{26}=\frac{25}{26}$
$\frac{4}{11}×6=\frac{4×6}{11}=\frac{24}{11}=2\frac{2}{11}$
$\frac{2}{15}×12=\frac{2×12}{15}=\frac{24}{15}=\frac{8}{5}=1\frac{3}{5}$
$\frac{1}{40}×15=\frac{1×15}{40}=\frac{15}{40}=\frac{3}{8}$
$\frac{3}{10}×25=\frac{3×25}{10}=\frac{75}{10}=\frac{15}{2}=7.5$
$\frac{3}{4}×5=\frac{3×5}{4}=\frac{15}{4}=3\frac{3}{4}$
$\frac{3}{14}×21=\frac{3×21}{14}=\frac{63}{14}=\frac{9}{2}=4.5$
$\frac{4}{9}×27=\frac{4×27}{9}=\frac{108}{9}=12$
$\frac{9}{16}×24=\frac{9×24}{16}=\frac{216}{16}=\frac{27}{2}=13.5$
$\frac{3}{25}×30=\frac{3×30}{25}=\frac{90}{25}=\frac{18}{5}=3.6$
$\frac{5}{12}×18=\frac{5×18}{12}=\frac{90}{12}=\frac{15}{2}=7.5$
$\frac{7}{23}×3=\frac{7×3}{23}=\frac{21}{23}$

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