P84640 link reply
Moved from /misc/83537
P84671 link reply
Moved from /misc/83537
P92125 link reply
P83565
4+3=7 but 4-3=1
Moved from /misc/83537
P92126 link reply
P83555
4+3=7 but 4-3=1
Moved from /misc/83537
P92132 link reply
P92001
1+2=3 but 1-2=-1
Moved from /misc/83537
P92138 link reply
P83795
1+1=2 but 1-1=0
Moved from /misc/83537
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