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megamegs80
19.07.2020 •
Mathematics
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Ответ:
Hello,
we can simplify as below
So it means that
8 = a+b
4 = b-a
8+4 = a+b+b-a=2b
2b = 12
b = 6
and a = 6 - 4 = 2
hope this helps
Ответ:
find the areas of those shapes and then add them together.