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How to write seven questions and two small questions on page 34 of the first volume of mathematics in grade three?
The first type: buy 3 adult tickets and 50 student tickets. 10X3+50X5=280 yuan.

The second type: group ticket for 53 people. (50+3)X6=3 18 yuan.

280 & lt3 18

It is cost-effective to buy 3 adult tickets and 50 student tickets.

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