3.5 * 5 * 30/(5+ 1)+ 10/( 10+ 10) * 3+ 19 * (30/ 10) = 10

200- 174.5=25.5 (yuan)

A: Xiaoli can spend 87.5 yuan on milk tea, 30 yuan on melon seeds, and 57 yuan on dried pork, and she can get back 25.5 yuan at most.

2.( 1.5 * 4 ÷ 16 * 4+ 1.5 * 4) ÷ ( 16-4)+ 1.5 * 4 ÷ 16 = 65438.

After 60 minutes, Xiao returned to the team.