267+5=
272
456-9=
447
712
456+98=
554
457-78=
379
569-456=
113
786+134=
920
729-567=
162
278+722=
1,000
199+99=
298
999-339=
660
784-776=
8
666+789=
1,455
867-789=
78
134+976=
1,110
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