Which are equivalent expressions?
9x = 9 • x
9xyz = 9 + x + y + z
9xyz = 9 • x • y...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 06:42, math9878
Which are equivalent expressions?
9x = 9 • x
9xyz = 9 + x + y + z
9xyz = 9 • x • y • z
9y = 9 + y
9x • y = 9xy
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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