优朗英语 aeas数学高频词汇表1 AEAS 数学词汇一：常见符号＋plus ;positive －minus ;negative ×multiplied by ;times ÷divided by ＝equals ≈approximately equals ≠not equal to ＜less than ＞greater than ≤equal to or less than ≥equal to or greater than o ( ) round brackets...

时间:2024-11-23 03:26栏目:行业资料