小学五年级数学异分母分数加减法试题
一、单项选择题（共10题，每题2分）
1.计算\(\frac{1}{2}+\frac{1}{3}=?\)
A.\(\frac{2}{5}\)B.\(\frac{5}{6}\)C.\(\frac{3}{5}\)D.\(\frac{1}{6}\)
2.\(\frac{1}{4}+\frac{1}{6}=?\)
A.\(\frac{1}{10}\)B.\(\frac{5}{12}\)C.\(\frac{2}{10}\)D.\(\frac{3}{12}\)
3.\(\frac{2}{3}-\frac{1}{4}=?\)
A.\(\frac{1}{12}\)B.\(\frac{5}{12}\)C.\(\frac{3}{7}\)D.\(\frac{1}{7}\)
4.\(\frac{3}{5}+\frac{1}{10}=?\)
A.\(\frac{4}{15}\)B.\(\frac{7}{10}\)C.\(\frac{2}{5}\)D.\(\frac{1}{2}\)
5.\(\frac{5}{6}-\frac{1}{3}=?\)
A.\(\frac{4}{3}\)B.\(\frac{1}{2}\)C.\(\frac{2}{3}\)D.\(\frac{1}{6}\)
6.\(\frac{1}{2}+\frac{2}{5}=?\)
A.\(\frac{3}{7}\)B.\(\frac{9}{10}\)C.\(\frac{7}{10}\)D.\(\极速{3}{10}\)
7.\(\frac{3}{4}-\frac{1}{8}=?\)
A.\(\frac{2}{极速{4}}\)B.\(\frac{5}{8}\)C.\(\frac{1}{2}\)D.\(\frac{3}{8}\)
8.\(\frac{2}{7}+\frac{3}{14}=?\)
A.\(\frac{5}{21}\)B.\(\frac{7}{14}\)C.\(\frac{1}{2}\)D.\(\frac{5}{14}\)
9.\(\frac{4}{9}-\frac{1}{3}=?\)
A.\(\frac{3}{6}\)B.\(\frac{1}{9}\)C.\(\frac{1}{3}\)D.\(\frac{5}{9}\)
10.\(\frac{5}{8}+\frac{1}{4}=?\)
A.\(\frac{6}{12}\)B.\(\frac{7}{8}\)C.\(\frac{3}{4}\)D.\(\frac{1}{2}\)
二、多项选择题（共10题，每题2分）
1.选择所有计算正确的选项。
A.\(\frac{1}{2}+\frac{1}{3}=\frac{5}{6}\)
B.\(\frac{1}{4}+\frac{1极速{4}}=\frac{1}{2}\)
C.\(\frac{2}{3}-\frac{1}{6}=\frac{1}{2}\)
D.\(\frac{3}{5}-\frac{1}{5}=\frac{2}{5}\)
2.哪些表达式的和是1？
A.\(\frac{1}{2}+\frac{1}{2}\)
B.\(\frac{3}{4}+\frac{1}{4}\)
C.\(\frac{2}{3}+\frac{1}{3}\)
D.\(\frac{4}{5}+\frac{1}{5}\)
3.选择所有计算正确的选项。
A.\(\frac{1}{3}+\frac{1}{6}=\frac{1}{2}\)
B.\(\frac{2}{5}+\frac{1}{5}=\frac{3}{10}\)
C.\(\frac{3}{4}-\frac{1}{2}=\frac{1}{4}\)
D.\(\frac{5}{6}-\frac{1}{3}=\frac{1}{2}\)
4.哪些表达式的值是\(\frac{1}{2}\)?
A.\(\frac{1}{4}+\frac{1}{4}\)
B.\(\frac{3}{4}-\frac{1}{4}\)
C.\(\frac{2}{5}+\frac{1}{10}\)
D.\(