Question
There were 438 boys and 134 more girls than boys in a concert hall. Later, 29 boys and 10 girls left the concert hall. How many fewer boys than girls were there in the end?
4 m

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There were 438 boys and 134 more girls than boys in a concert hall. Later, 29 boys and 10 girls left the concert hall. How many fewer boys than girls were there in the end?