rational number
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
rational number; any number expressible as a ratio of two integers
In mathematics, includes all integers, terminating decimals, and repeating decimals. Can be expressed as p/q where p and q are integers and q ≠ 0.
11
//
22
、
00
.
77
55
hé和
--
33
dōu都
shì是
yǒu有
lǐ理
shù数
。
One-half, 0.75, and negative three are all rational numbers.
Zhèng正
zhěng整
shù数
、
fù负
zhěng整
shù数
hé和
fēn分
shù数
tǒng统
chēng称
wéi为
yǒu有
lǐ理
shù数
。
Positive integers, negative integers, and fractions are collectively called rational numbers.
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Liǎng两
gè个
yǒu有
lǐ理
shù数
xiāng相
jiā加
，
jié结
guǒ果
hái还
shì是
yǒu有
lǐ理
shù数
。
When two rational numbers are added together, the result is still a rational number.