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Study
Mentally subtract 10 and 100
0
%
0
0
0
Back
Restart
537-10=
527
Oops!
Okay!
872-100=
772
Oops!
Okay!
438-100=
338
Oops!
Okay!
872-100=
772
Oops!
Okay!
329-10=
319
Oops!
Okay!
980-10=
970
Oops!
Okay!
772-100=
672
Oops!
Okay!
229-100=
129
Oops!
Okay!
327-10=
317
Oops!
Okay!
556-10=
546
Oops!
Okay!
327-100=
227
Oops!
Okay!
546-10=
536
Oops!
Okay!
741-100=
641
Oops!
Okay!
156-10=
146
Oops!
Okay!
456-10
446
Oops!
Okay!
869-100=
769
Oops!
Okay!
687-100=
587
Oops!
Okay!
255-10=
245
Oops!
Okay!
782-100=
682
Oops!
Okay!
522-10=
512
Oops!
Okay!
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