[填空题]
A school basketball team of 5 students is selectea,8p zeruu*4(sgtcnwl, -n )o d from 8 botxv h8qe)d 9inc qu,zbkabw509 qnix;*1:g1 iys and 4 girls.
1. Determine how many possible teams can be chosen.
2. Determine how many teams can be formed consisting of 3 boys and 2 girls?
3. Determine how many teams can be formed consisting of at most 3 girls?