Add:- 3mn, -6mn, 9mn, -11mn
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Answered by
0
Answer:
3mn, -6mn, 9mn, -11mn
=> 3mn+(-6mn)+9mn+(-11mn)
=>3mn-6mn+9mn-11mn
=> (-3mn)+(-2mn)
=> (-3mn)-2mn
=> -5mn.
Hope it helps you..
Answered by
0
Step-by-step explanation:
3mn + ( -6mn) + 9mn + (-11mn)
3mn -6mn +9mn - 11mn
3mn+9mn -6mn-11mn
12mn - 17 mn
-5mn
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