百分数数学题,懂英语和数学的来!there are 900 students in a school ,and 405 of them are boys.Also,60% of the students are in junior forms,and 306 of them are girls.（a）What percentage of the students are girls in the school?(b)What per

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百分数数学题,懂英语和数学的来!there are 900 students in a school ,and 405 of them are boys.Also,60% of the students are in junior forms,and 306 of them are girls.（a）What percentage of the students are girls in the school?(b)What per
百分数数学题,懂英语和数学的来!
there are 900 students in a school ,and 405 of them are boys.Also,60% of the students are in junior forms,and 306 of them are girls.
（a）What percentage of the students are girls in the school?
(b)What percentage of the senior students are girls?
(c)How many boys are there in senior forms?
答案我都知道,就是要算式

百分数数学题,懂英语和数学的来!there are 900 students in a school ,and 405 of them are boys.Also,60% of the students are in junior forms,and 306 of them are girls.（a）What percentage of the students are girls in the school?(b)What per
（a）（900-405）/900=55%
（b）（900-405-306）/（900*40%）=52.5%
（c) 900*40%*（1-52.5%）=171

百分数数学题,懂英语和数学的来!there are 900 students in a school ,and 405 of them are boys.Also,60% of the students are in junior forms,and 306 of them are girls.（a）What percentage of the students are girls in the school?(b)What per 孩子今年小升初,英语数学题完全看不懂,求一些常用的数学的单词（如：百分数,比,积等. 求这道数学题的解题过程和答案,数学能手来. 数学百分数的应用. “×××用A 占B的百分数来表示”英语怎么说 ther 的意思和反义词是什么? 数学题 百分数 百分数数学题 六年级数学百分数和分数小数的互化练习题 六年级上册数学百分数和圆的知识点(简单一点) 六年级数学百分数和分数小数的互化练习题 五年级数学题关于分数和百分数 数学百分数的性质是什么 六年级数学百分数的应用题 懂百分数的高手来!什么叫百分数?它有什么意义?百分数的写法?（要能看得懂）不要带单位百分数的读法?小数与百分数的互换?分数与百分数的互换? 难一点的六年级百分数数学题 ther的反义词 数学六年级下册百分数的应用