My father

My father cut 78 slats on the fence. The shortest of them was 97 cm long, and the longer one was 102 cm long. What was the total length of the slats in cm?

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You need to know the following knowledge to solve this word math problem:

statistics

mean

geometry

line segment

arithmetic

division
rounding
addition

Units of physical quantities

unit conversion
length

Grade of the word problem

practice for 10 year olds
practice for 11 year olds

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