# * Mathematics

mathematics – N-UNCOUNT Mathematics is the study of numbers, quantities, or shapes. 数学
x² + y² = r² – a circle centered on the origin, with radius r
commensurate – Corresponding in size or degree; in proportion.
Capacity – The amount a container can hold when filled
digit – 阿拉伯数字，手指或足趾
Common factor – numbers that are factors of two or more whole numbers
Find the expected maximum and minimum values of the data summarized in the given frequency distribution. The test scores of 40 students are summarized in the frequency distribution below. Find the expected maximum and minimum scores.
Transitive property – if number a is equal to number b, and number b is equal to number c than number a is also equal to number c
of x=y and y=z then x=z
corresponding angle – 同位角 对应角
Find the expected mаximum аnd minimum vаlues оf the data summarized in the given frequency distributiоn. The test scоres of 40 students are summarized in the frequency distribution below. Find the expected maximum and minimum scores.
+ * + – Two positives make a positive
tangent – a line that just touches a curve without cutting across it
How do you change a decimal into the nearest equivalent fraction? – Multiply the decimal by the desired denominator. The result becomes the numerator in the fraction.

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