7.5 square meters =750 square decimeters = 75,000 square centimeters.

1463km7500m2 365 days 320kg 240l 13s.

4.65 kilometers and 520,000 square meters

3000 cubic decimeter =3000000 cubic centimeter 6300 grams

9.4 yuan at 2: 24.

17: 20- 16: 40 =40 minutes 40*7=280 minutes 280 minutes =4 hours 40 minutes 4 hours 40 minutes > 4 hours.

1 m3 = 1000000 cubic centimeters

1000000÷1=1000000 pieces

1000000= 10 km

Title:1.2050m = () km () m4.6t = () kg.

2.()m？ =750dm？ =()cm？

It's three minutes slow every hour. According to this calculation, after 5: 00 am is aligned with the standard time, what is the standard time for pointing to 12 that night?

Page 88: 1, fill in the appropriate unit of measurement.

The railway from Beijing to Shanghai is about 1463 () The area of the football field is about 7500 () The earth needs 365 () to go around the sun.

The weight of the Siberian tiger can reach 320 (). The refrigerator capacity of Xiaohong's house is 240 (). Liu Xiang 1 10 meter hurdles score is probably 13 ().

2, 4650 meters = () kilometers 52 hectares = () square meters 3 cubic meters = () cubic decimeter = () cubic centimeters.

6.3 kg = () g 2.4 hours = () hours () minutes 9 yuan 4 jiao = () yuan.

Miss Li plans to exercise at least 4 hours a week. Every day 16: 40- 17: 20 is his exercise time. Can he finish the plan?

4. How many small cubes does it take to pile up a big cube with a volume of 1 cubic centimeter from small cubes? If these small cubes are lined up next to each other, how many kilometers are they?