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Study
3 digit addition without regrouping
0
%
0
0
0
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Restart
.
859
Oops!
Okay!
.
590
Oops!
Okay!
.
500
Oops!
Okay!
.
937
Oops!
Okay!
.
464
Oops!
Okay!
987-580
407
Oops!
Okay!
.
168
Oops!
Okay!
.
198
Oops!
Okay!
260-130
130
Oops!
Okay!
459-319
140
Oops!
Okay!
694-331
363
Oops!
Okay!
.
254
Oops!
Okay!
.
905
Oops!
Okay!
.
595
Oops!
Okay!
.
937
Oops!
Okay!
.
374
Oops!
Okay!
.
44
Oops!
Okay!
.
894
Oops!
Okay!
722-521
201
Oops!
Okay!
.
848
Oops!
Okay!
215-115
100
Oops!
Okay!
.
498
Oops!
Okay!
.
778
Oops!
Okay!
.
762
Oops!
Okay!
694-331
363
Oops!
Okay!
987-580
407
Oops!
Okay!
.
595
Oops!
Okay!
.
894
Oops!
Okay!
878-614
264
Oops!
Okay!
.
762
Oops!
Okay!
222-102
120
Oops!
Okay!
.
198
Oops!
Okay!
.
984
Oops!
Okay!
.
488
Oops!
Okay!
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