Math problem in grade three: 606 students from the whole school visit the park. If they buy 5 tickets, they will get/kloc-0 tickets. How many doors do they need to buy?

606 students from the whole school visited the park. If they buy 5 tickets, they will get/kloc-0 tickets. They only need to buy 505 tickets.

Calculate the formula according to the meaning of the question:

606÷(5+ 1)×5

=606÷6×5

= 10 1×5

=505

So they only need to buy 505 tickets.

Mixed operation:

If the first-level operation and the second-level operation exist at the same time, the second-level operation is calculated first. If there are one, two and three operations at the same time (i.e. power, root and logarithm operations), the third operation is calculated first, and then the other two levels are calculated.

If there are brackets, count the numbers in brackets first (no matter what level, count first) The third level should be counted in brackets, and then the second and first levels should be counted.

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