zakarycrane9576
04.09.2020 •
Mathematics
-5a2 +9 – 2a + 3a+1 – 3a
А
B
-
-2a2 + 6a – 9
-15a2 6a +9
-8a² 5a - 10
-2a2 - 5a - 10
с
D
Solved
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