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- The seventh grade first volume mathematics supplementary exercise page 69 question 65438 answer +0.
The seventh grade first volume mathematics supplementary exercise page 69 question 65438 answer +0.
Solution: Suppose two cars meet in X hours.
45x+36x= 108
x=4/3
4/3 hours = 1 hour 20 minutes
16 + 1: 20 = 17: 20.
A: The two cars met at 17: 20.
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