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10 questions
206+200=
306
506
406
594+300
694
794
894
310+400
710
610
810
318+600=
718
818
918
136+500
236
436
636
348-200=
448
248
148
509-300=
109
209
119
900-300=
600
400
200
428-200=
328
228
108
733-400=
333
433
233
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