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Rotunjite la zeci numerele :121,413,596,320,715,263,402,271,827,641,142,285,297

Răspuns :

121- 120
413-410
596- 600
320-320
715-710
263-270
402-400
271-270
827-230
641-640
142-140
285-280
297-300

120,410,600,320,720,260,400,270,830,640,140,290,300