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The first volume of mathematics in the sixth grade, the whole simulation training cheats, the ordinary school volume (2)
1) The perimeter ratio is 2:3 and the area ratio is 4:9.

2) Football: basketball = 24%: 20% = 6: 5, football is more than basketball (6-5) divided by 5=20%.

3) The sum of their work efficiency is1/8+1/kloc-0 = 9/40, the workload completed after 4 hours is 9/40X4=9/ 10, and the remaining workload is1-9/kloc.

4) Suppose there is one kilogram, a-2/5a+120 = ax (1-4/15), and a=900 is obtained.

The answer to the fifth question is not an integer. The number of pots should be an integer. There is something wrong with the estimated data.

Give an opinion, thank you.