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Încercuieste numerele care se rotunjesc: a) la zeci la 850: 841,835,851,873,854,849,846,855,863 b) la sute la 500: 475,496,521,574,432,610,536,498,476,512

Răspuns :

la 850
851,854, 849,846, 855 *la limita*
la 500
475, 496, 521, 536, 498, 476, 512
la 850=851,854, 849,846, 855
la 500=475, 496, 521, 536, 498, 476, 512