( 1)4 6 8 10 12

(2) draw your own pictures.

(3)6.5*2= 13 yuan

(4)3 times

(1) inverse ratio relation

(2) 0.2 * 600 =120m2120/0.5 = 240 pieces.

(3) 120/500=0.24 m2

4.( 1)2: 30 km

(2)30/2 = 15km 15/2+ 15 = 22.5km

(3) At two o'clock.

(4) 30/2 =15km/h

Verb (abbreviation of verb) (1)2.5 1:8000

(2)8.5 680 13.6

(3) 1.5+3 = 4.5cm 4.5/ 1:8000 = 360m。

(4) 24000 *1:8000 = 3cm (just draw 3cm according to the position of the topic)

The intransitive verb length is 36 18 12 6 9.

Width 1 2 3 6 4

There is an inverse relationship.

Seven, 6+3=9 cm 9/ 1:5000000=450 km 450/60=7.5 hours.

Yes