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Part 1
The following numbers are the differences in pulse rate (beats per minute) before and after r...
a man walks directly from point p towards the foot of a tall building 300m away after covering 120m,he observes that the angle of ...
subtract 7.5 from 10
subtract
10-7.5
w/2-((w+1)/7)
$ \c {x}^{2}$-6x+8
x/3+x/4=
6.39 MULTIPLY 5.03
6.39*5.03
