sat数学题一道at a certain high school there are 9 students on the math team and10 students on the acdemic team. there are total of 11 students who are on the exactly one of the teams . of those students who are on the math team, hoe many also on
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![sat数学题一道at a certain high school there are 9 students on the math team and10 students on the acdemic team. there are total of 11 students who are on the exactly one of the teams . of those students who are on the math team, hoe many also on](/uploads/image/z/882183-39-3.jpg?t=sat%E6%95%B0%E5%AD%A6%E9%A2%98%E4%B8%80%E9%81%93at+a+certain+high+school+there+are+9+students+on+the+math+team+and10+students+on+the+acdemic+team.+there+are+total+of+11+students+who+are+on+the+exactly+one+of+the+teams+.+of+those+students+who+are+on+the+math+team%2C+hoe+many+also+on)
sat数学题一道at a certain high school there are 9 students on the math team and10 students on the acdemic team. there are total of 11 students who are on the exactly one of the teams . of those students who are on the math team, hoe many also on
sat数学题一道
at a certain high school there are 9 students on the math team and10 students on the acdemic team. there are total of 11 students who are on the exactly one of the teams . of those students who are on the math team, hoe many also onthe academic team.?
sat数学题一道at a certain high school there are 9 students on the math team and10 students on the acdemic team. there are total of 11 students who are on the exactly one of the teams . of those students who are on the math team, hoe many also on
1----》数学
2---》ACDEMIC
8----》两科同时
1/2+1/6+1/12+1/20+1/20+1/30+1/42+1/56
DSVDFFD FD
可以画一个维恩图,然后算算每个圈里是多少