Math application problem Math problem in the third grade, 2 16 people went to the Science and Technology Museum, 329 people went to Jilin State-owned, and 86 people have been to both places. How many people are there? 329+2 16-86

=545-86

=459 (person)

Analysis: There are 2 16 people who have been to the Science and Technology Museum and 329 people who have been to Jilin, so 329+2 16 is the number of people who have only been to the Science and Technology Museum and Jilin Bo, that is, the total number of people who have been to the two places, so 329+2 16 and then -86 get a * *.