D- 7h2 + 27d - 13h2 + (-3) - 14d + 7
combining like terms...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 23.09.2019 23:00, lolfunny124
D- 7h2 + 27d - 13h2 + (-3) - 14d + 7
combining like terms
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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