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Urgent! How many points do you give? I want to practice the last question of the Guangdong Mathematics Entrance Examination. Please help me.
You should practice!

A, B, C and D built a road with him. A made 1/3 of the other three teams, B made 1/4 of the other three teams, C made 1/5 of the other three teams, and D made 69 meters. How long is this road?

1: 3 69× 3 = 207 (m)

1: 4 69× 4 = 276 (m)

1: 5 69× 5 = 345 (m)

(207+276+345)÷3

=828÷3

=276 meters

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