英语
西班牙语
I. arithmetic 名词 U [美 əˈrɪθməˌtɪk, 英 əˈrɪθmətɪk]
II. arithmetic [美 ˌɛrɪθˈmɛdɪk, 英 ˌarɪθˈmɛtɪk] 形
a. arithmetical [-ɪkəl]
- arithmetic calculation/mean/progression
-
- arithmetic ability
-
英语
西班牙语
I. arithmetic [əˈrɪθmətɪk, 美 ˌerɪθˈmet̬ɪk] 名词 无复数
- arithmetic
-
II. arithmetic [əˈrɪθmətɪk, 美 ˌerɪθˈmet̬ɪk] 形
- arithmetic
- aritmético, -a
- (arithmetic) mean 数学
-
英语
西班牙语
I. arithmetic [ə·ˈrɪθ·mɪ·tɪk] 名词
- arithmetic
-
II. arithmetic [ə·ˈrɪθ·mɪ·tɪk] 形
- arithmetic
- aritmético, -a
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单语范例（未经PONS编辑处理）
The presentation is immediately followed by the mental arithmetic component, during which the participant is asked to count backwards from 1,022 in steps of 13.
en.wikipedia.org Truss has also criticised the over-reliance on calculators to the detriment of mental arithmetic.
en.wikipedia.org Mental arithmetic was found to be ineffective by at least one study, especially in students counting backward by seven.
en.wikipedia.org Using this table, you can now see how the various melody notes correspond between the keys, with virtually no mental arithmetic involved.
www.musicradar.com But before he can keep them, he has to do some mental arithmetic.
en.wikipedia.org 浏览词典
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