decimals

Which numbers are repeating decimals ? Which are not ? Why?

下面哪些是循环小数,哪些不是,为什么?

To divide by 100 is done by only pointing off two figures for decimals.

除以100只要在最后两位数前打个小数点.

I'll deal with decimals in the next lesson.

下一堂课我要讲小数.

You should treat decimals as the whole number to solve the mathematical problem.

解这道数学题时,你应该把小数算作整数.

When we addition and subtraction of decimals, we should cross out the 0 at the end.

根据小数的性质:小数末尾的0去掉,小数的大小不变.

When you track major and minor versions, the major versions are whole numbers, and the minor versions are decimals.

如果同时跟踪主要版本和次要版本，则主要版本是整数，而次要版本是小数。

We needed to do decimals to round up and round down numbers.

我们得把小数四舍五入成整数。

The ratio is about right, and we avoid having to calculate square roots and we avoid decimals.

比例大致是正确的，而我们却避免了方根和小数的计算。

Player ratings have decimals . E . g. a player can now score 7.2, rather than just 7.

为球员评分加入了小数点. 比如:可以为球员打7.2分, 而不仅仅是7分. (更科学了)

The infinite decimals can be divided into two groups: the decimals and the infinite non-decimals.

无限小数又可分为循环小数和无限不循环小数两类.

Fractions, Decimals & Percents . Extinguish the flame with the right answers to fraction , percent and decimal problems.

分数, 小数及百分数:回答正确的答案, 帮助熄灭火烧.

Some non-integral values, like dollars-and-cents decimals, require exactness.

一些非整数值（如几美元和几美分这样的小数）需要很精确。

How is the essence of subtraction of decimals related to the essence of subtraction of whole numbers? The implicit meaning of a numeral is in essence a cultural departure from the original literal meaning.

由此可以看出小数减法的意义与整数减法的意义有什么关系？这种虚指意义实质上是一种脱离数词本义的文化意义。

The students had a grasp of decimals, percentages and fractions.

学生们掌握了小数、百分数和分数。

His first small calculator could perform certain computations to eight decimals.

他制造的第一台小型计算器能进行八位数的某些运算.

T: Who can divide the repeating decimals into two groups? Why?

师: 谁能再将上题中的循环小数分成两类? 为什么?

When regressive analysis is made on groups of experimental data, the results of correlation coefficient change with the acceptance or rejection of places of decimals, and display fluctuation to a certain degree.

在对实验数据进行线性回归分析时，相关系数r的计算结果会随数据小数位数的取舍而变化，表现出较大的涨落性。