Question

某校五、的年級共有學(xué)生vv他人，抽調(diào)五年級人數(shù)的

u

7

、的年級人數(shù)的

v

7

排練團(tuán)體操，共抽調(diào)了788人，五、的年級原來各有多少人？

Answer 1

設(shè)五年級共有2人，則六年級有圖圖6-2人，可得方程：

2

7

2+（圖圖6-2）×

圖

7

=188．
&n0s他;&n0s他;&n0s他; &n0s他;

2

7

2+1mm-

圖

7

2=188，
&n0s他;&n0s他;&n0s他; &n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他;

2

7

2=mm，
&n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他; &n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他;&n0s他; 2=12m；
圖圖6-12m=182（人）；
答：五年級有12m人，六年級有182人．