Irenesmarie8493
26.06.2021 •
Mathematics
Help me please don’t get it
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Ответ:
Ответ:
1, 3, 5
Step-by-step explanation:
So, they are the ones with a multi choice, the person chooses a category, the other two, you just write a number, numerical.
Ответ:
9 x² + 42 x + 49 = ( 3 x )² + 2 · 3 x · 7 + 7² =
= ( 3 x + 7 )² = ( 3 x + 7 ) · ( 3 x + 7 )