... arithmetic point 小数点 Arithmetic Primary 算术初级 arithmetic processor 运算处理器 ...
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... arithmetic point 小数点 arithmetic primary 算术初等项 arithmetic progression 等差数列，算术数列 ...
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Primary Arithmetic 小学生算术 ; 初等算术
ball-arithmetic education of primary school 小学珠算教育
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At primary school, it says there should be more emphasis on arithmetic and that some topics, such as the calculation of fractions, volume and area should be covered earlier.
BBC: Maths skills add up to higher earnings, study finds
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