2025年口算题卡北方妇女儿童出版社五年级数学下册苏教版
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1.直接写得数。
2.3 + 1.5 = 6.2 + 2.4 = 4.5 + 2.6 = 6.8 + 1.2 =
4.8 - 1.6 = 5.5 - 1.3 = 2.8×2 = 5.2 - 3.6 =
12.5÷2.5 = 3.8÷2 = 3.6÷1.2 = 4.6÷2 =
3.6 + 2.5 = 13.5 - 4.3 = 3.6 - 2.4 = 7.5÷15 =
2.7 + 1.2 = 5.8÷4 = 14.6÷2 = 18.6÷0.2 =
4 - 2.6 = 3×1.5 = 6.7×7 = 6 - 2.4 =
2.5×6 = 8 - 4.5 = 7.6×5 = 6.8×4 =
4.5 + 2.4 = 8.6 - 2.5 = 14 - 2.6 = 26 - 12.5 =
2.3 + 1.5 = 6.2 + 2.4 = 4.5 + 2.6 = 6.8 + 1.2 =
4.8 - 1.6 = 5.5 - 1.3 = 2.8×2 = 5.2 - 3.6 =
12.5÷2.5 = 3.8÷2 = 3.6÷1.2 = 4.6÷2 =
3.6 + 2.5 = 13.5 - 4.3 = 3.6 - 2.4 = 7.5÷15 =
2.7 + 1.2 = 5.8÷4 = 14.6÷2 = 18.6÷0.2 =
4 - 2.6 = 3×1.5 = 6.7×7 = 6 - 2.4 =
2.5×6 = 8 - 4.5 = 7.6×5 = 6.8×4 =
4.5 + 2.4 = 8.6 - 2.5 = 14 - 2.6 = 26 - 12.5 =
答案:
3.8 8.6 7.1 8
3.2 4.2 5.6 1.6
5 1.9 3 2.3
6.1 9.2 1.2 0.5
3.9 1.45 7.3 93
1.4 4.5 46.9 3.6
15 3.5 38 27.2
6.9 6.1 11.4 13.5
3.2 4.2 5.6 1.6
5 1.9 3 2.3
6.1 9.2 1.2 0.5
3.9 1.45 7.3 93
1.4 4.5 46.9 3.6
15 3.5 38 27.2
6.9 6.1 11.4 13.5
2.把下面的分数约分。
$\frac{28}{56}$ = $\frac{14}{35}$ = $\frac{54}{81}$ = $\frac{35}{20}$ = $\frac{20}{36}$ =
$\frac{21}{35}$ = $\frac{18}{9}$ = $\frac{7}{91}$ = $\frac{20}{45}$ = $\frac{26}{91}$ =
$\frac{28}{21}$ = $\frac{3}{24}$ = $\frac{42}{36}$ = $\frac{35}{49}$ = $\frac{12}{60}$ =
$\frac{28}{56}$ = $\frac{14}{35}$ = $\frac{54}{81}$ = $\frac{35}{20}$ = $\frac{20}{36}$ =
$\frac{21}{35}$ = $\frac{18}{9}$ = $\frac{7}{91}$ = $\frac{20}{45}$ = $\frac{26}{91}$ =
$\frac{28}{21}$ = $\frac{3}{24}$ = $\frac{42}{36}$ = $\frac{35}{49}$ = $\frac{12}{60}$ =
答案:
$\frac{1}{2}$ $\frac{2}{5}$ $\frac{2}{3}$ $\frac{7}{4}$ $\frac{5}{9}$
$\frac{3}{5}$ 2 $\frac{1}{13}$ $\frac{4}{9}$ $\frac{2}{7}$
$\frac{4}{3}$ $\frac{1}{8}$ $\frac{7}{6}$ $\frac{5}{7}$ $\frac{1}{5}$
$\frac{3}{5}$ 2 $\frac{1}{13}$ $\frac{4}{9}$ $\frac{2}{7}$
$\frac{4}{3}$ $\frac{1}{8}$ $\frac{7}{6}$ $\frac{5}{7}$ $\frac{1}{5}$
3.把下面各小数转化成分数,能约分的约成最简分数。
0.45 = 0.65 = 1.2 = 0.875 = 0.8 =
1.6 = 0.48 = 2.75 = 2.6 = 0.36 =
0.72 = 0.86 = 1.35 = 7.8 = 0.95 =
0.45 = 0.65 = 1.2 = 0.875 = 0.8 =
1.6 = 0.48 = 2.75 = 2.6 = 0.36 =
0.72 = 0.86 = 1.35 = 7.8 = 0.95 =
答案:
$\frac{9}{20}$ $\frac{13}{20}$ $\frac{6}{5}$ $\frac{7}{8}$ $\frac{4}{5}$
$\frac{8}{5}$ $\frac{12}{25}$ 2 $\frac{3}{4}$ $\frac{13}{5}$ $\frac{9}{25}$
$\frac{18}{25}$ $\frac{43}{50}$ $1\frac{7}{20}$ $\frac{39}{5}$ $\frac{19}{20}$
$\frac{8}{5}$ $\frac{12}{25}$ 2 $\frac{3}{4}$ $\frac{13}{5}$ $\frac{9}{25}$
$\frac{18}{25}$ $\frac{43}{50}$ $1\frac{7}{20}$ $\frac{39}{5}$ $\frac{19}{20}$
4.解方程。
4(x - 5.6) = 1.6 11.2 - 2x = 6 x - 0.7x = 4.8
4(x - 5.6) = 1.6 11.2 - 2x = 6 x - 0.7x = 4.8
答案:
$x = 6$ $x = 2.6$ $x = 16$
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