The scores are 12/25 3/5 3/4 1 and 1/20.

Decimal 0.48 0.6 0.75 1.05

Percentage 48% 60% 75% 105%

(1) Cut the 4-meter-long iron wire into 5 sections on average, with each section being (5) meters of (4) in fraction and (0.8) meters in decimal; Each segment is 80% of 1m and 20% of the total length.

② The order from small to large is 8.9%, 0.89, 9/ 10 (nine tenths).

8.9%、& lt0.89 、& lt9/ 10

The income of Xiaoming's family this year is 150% of last year's, and this year's family income has increased by (2) points (1).

(3) Fill in "in the box

1/3 =33.3% 30% 18%

60% { < 6/8 1/ 10 >； 1%