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650,000 − 150,000 =
500,000
Oops!
Okay!
150,000 + 150,000 =
300,000
Oops!
Okay!
300,300 + 300,300 =
600,600
Oops!
Okay!
200,100 + 200,200 =
400,300
Oops!
Okay!
123,456 + 123,457 =
246,913
Oops!
Okay!
350,400 + 350,400 =
700,800
Oops!
Okay!
400,050 + 400,050 =
800,100
Oops!
Okay!
250,250 + 250,250 =
500,500
Oops!
Okay!
925,000 − 125,000 =
800,000
Oops!
Okay!
600,600 − 300,300 =
300,300
Oops!
Okay!
999,998 − 499,999 =
499,999
Oops!
Okay!
999,999 − 400,050 =
599,949
Oops!
Okay!
499,999 + 499,999 =
999,998
Oops!
Okay!
450,500 + 450,500 =
901,000
Oops!
Okay!
876,543 − 123,456 =
753,087
Oops!
Okay!
975,500 − 450,500 =
525,000
Oops!
Okay!
100,001 + 100,002 =
200,003
Oops!
Okay!
789,012 − 234,567 =
554,445
Oops!
Okay!
900,000 − 100,000 =
800,000
Oops!
Okay!
850,400 − 350,400 =
500,000
Oops!
Okay!
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