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Analysis of Mathematical Problems in Sidao Primary School
The following is an analysis of four primary school math problems, hoping to help you better understand the problems.

Number of existing passengers in the car

Number of existing passengers on the bus-number of descending passengers+number of ascending passengers = number of existing passengers on the bus.

The total weight of two fruits

Total weight of two fruits-total weight of 25 boxes of apples = total weight of 32 boxes of pears or total weight of 25 boxes of apples+total weight of 32 boxes of pears = total weight of two fruits.

Number of stamps at home and abroad

Number of foreign stamps ×5-5= number of domestic stamps or (number of domestic stamps +5)÷5= number of foreign stamps.

Area of triangle

Area of triangle = base × height ÷2.