1. 95 trees are planted on one side of a section of highway, with two plants at two ends, and the distance between every two trees is 5 meters. What is the total length of this section of highway?

Answer: (95- 1)x 5=470 meters.

It took Xiaojun six minutes to walk from the first floor to the third floor. According to this calculation, how many minutes does it take him to walk from the first floor to the ninth floor?

A: 6÷(3- 1)x (9- 1)=24 minutes.

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Plant trees on both sides of a 250-meter-long road, both at the starting point and the end point. A * * * planted 102 tree, and the distance between every two adjacent trees was equal. Do you know how many meters it is?

A: 250 x 2÷( 102-2)=5 meters.

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4. plant trees on both sides of a 250-meter-long road, both at the starting point and the end point. A * * * planted 102 tree, and the distance between every two adjacent trees was equal. Do you know how many meters it is?

A: 250 x 2÷( 102-2)=5 meters.

There is a square flower bed in front of the school library. There are 12 potted plants on both sides of the outermost layer of this flower bed. How many pots of flowers are put on the outermost layer? How many potted plants does this flower bed need?

Answer: 1, (12-1)x 4 =44 pots.

2.( 12- 1) * 4+( 12-3) * 4+( 12-5) * 4+( 12-7) * 4+