1.有关数学运算
add,plus加?
subtract减?
difference差??
multiply,times乘?
product积?
pide除
pisible可被整除的?
pided evenly被整除?
pidend被除数,红利?
pisor因子,除数
quotient商?
remainder余数??
factorial阶乘?
power乘方?
radical1 sign, root sign根号
round to四舍五入?
to the nearest四舍五入
2.有关集合
union并集?
proper subset真子集?
solution set解集