40% of the students in a school are boys.lf there are 240 boys,how many students are in the school

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40% of the students in a school are boys.lf there are 240 boys,how many students are in the school

40% of the students in a school are boys.lf there are 240 boys,how many students are in the school
40% of the students in a school are boys.lf there are 240 boys,how many students are in the school

40% of the students in a school are boys.lf there are 240 boys,how many students are in the school
40% of the students in a school are boys.lf there are 240 boys,how many students are in the school
学校里40%的学生是男生 如果有240个男生 共多少学生在此学校
设x学生
40%x=240
x=...
1楼的厉害的
“240/0.4=600人 ”