Write 1+4 and 9_with a common denominator.
t+5
t-1
212 + 121 + 16 and 181 +36
21+...
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Mathematics, 08.06.2020 20:57, lakaralake11
Write 1+4 and 9_with a common denominator.
t+5
t-1
212 + 121 + 16 and 181 +36
21+4
21+4
72 +91 +20 and
(1 + 5)(1 - 1)
91-9
(1 + 5)(1 - 1)
12-31+4 and 91-5
(t + 5) (1 - 1) (t + 5)(1 - 1)
12 +31-4 and
(1 + 5)(1 - 1)
91 +45
(t + 5)(1 - 1)
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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