who can tell this answer .
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Answered by
0
Answer:
the answer is 254/154 or 1 and 87/54
Answered by
1
Answer:
241/154
Step-by-step explanation:
13/7+(-6/11)+(-9/21)+15/22
13/7-6/11-9/21+15/22
858-252-198+315/462
723/462
241/154
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