He brushed up on fractions before taking the arithmetic test.

在参加算术考试前他又重温了分数。

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The device, which consists of two conductors fastened to the head by a rubber strap, significantly boosted results in a simple arithmetic test, they said.

这些科学家说，这个设备由两块导体组成，由一个橡胶带夹在头两侧，在一次简单的计算测试中能明显的提高成绩。

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Over half of Mexican 15-year olds were classed as incapable of doing basic arithmetic on the maths portion of the test.

在墨西哥15多岁的少年中，超过1/2的人员在测试中的数学部分被划分为不会做基 础算术。

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Psychologists had 543 men and women in a mall, ages 25 to 75, take a test that involved quickly evaluating whether a series of arithmetic problems had been properly solved.

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But 76% agreed with proposals to test the skills of trainee teachers in the areas of reading, writing, arithmetic and new technology.

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