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Mathematics
Tiggy
30 April, 03:39
What 1+1+2+7+4+6-21
+1
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Pedro Best
30 April, 04:27
0
the answer is 0
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Viviana Stephens
30 April, 04:58
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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
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