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Komok [63]
4 years ago
15

What 1+1+2+7+4+6-21​

Mathematics
2 answers:
olchik [2.2K]4 years ago
6 0

Answer:

The answer is 0

Step-by-step explanation:

1+1=2

2+2=4

4+7= 11

11+4=15

15+6+21

21- 0 = 0

4vir4ik [10]4 years ago
4 0

Answer:

the answer is 0

Step-by-step explanation:

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