ayoismeisalex
24.10.2020 •
Mathematics
-254 minus -254 equals ?
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Ответ:
0
Step-by-step explanation:
They both cancel eachother out.
Ответ:
606.6 and 233.3 respectively
Step-by-step explanation:
Let the speed of plane in still air be x and the speed of wind be y.
ATQ, (x+y)*9=7560 and (x-y)*9=3360. Solving it, we get x=606.6 and y=233.3