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How to do the eighth question on page 34 of the third grade of primary school in the second volume of mathematics published by People's Education Press?
The statistical chart is the broadcast time of four programs in a TV station for four months. Assuming that the same program is broadcast at the same time every month, how long does each program last every month?

Monthly broadcast time of news: 340÷4=85 (hours), sports: 180÷4=45 (hours), cartoons: 120÷4=30 (hours), and TV dramas: 240.

The purpose of this problem is to consolidate the division in which the divisor is a single digit, and at the same time, set up doubts and lead to the bar chart to be learned.