(2)240+240×3/8=330 (below)

(3)4÷(4/5-2/5)= 16

(4) Lele: 32× 1/2= 16 (yuan) Huanhuan: 16×5/8= 10 (yuan)

Sweet and Lele * * *: 32+ 16 = 48 (yuan) Lele is more than Huanhuan: 16- 10=6 (yuan)

Two. 1, 150÷3/4=200 (unit/hour) B: 200-90= 1 10 (unit)

2, 20 ÷ (1+1/9) =18 (cubic meter)

3, 24 ÷ (1/2-1/3) =144 (Taiwan Province)

1/6= 1/6, 3/8= 3/8, 4/5= 4/5 = 2/5= 5/2= 5/2 1/2= 1/2, 5/8= 5/8, 3/4= 3/4, 60.