40%of the student in a shool are boys.if there are240boys,ho
40% of the sthdents in a school are boys.If there are 240 bo
40% of the students in a school are boys.lf there are 240 bo
英语翻译1)40%of the students in a school are boys.lf there are 2
英语翻译1.40% of the students in a school are boys.lf there are
40%of the students in a school are boys.
40% of the students in a school are boys.
The ratio of girls to boys in a class is 2:5.There are 8 gir
there are four terms in a shool year in
There are a girl and four boys in the class.
There are 50 staff in a company.If 20 of them are the female
The weights (重量) of two boys are in the radio 5:4.If the wei
The weights of two boys are in the ratio 5:4.If the weight o