fie numerele: 256783.1730201 .156237.59305436 . a)aproximează prin lipsa si adaos la zeci, sute mii si sute de mii. rog urgent dau coroana .

prin lipsa:

256783~256700, 256000, 250000, 200000

1730201~1730200, 1730000, 1700000, 100000

156237~156200, 156000, 150000, 100000

59305436~59305400, 59305000, 59300000,59000000, 50000000

prin adaos:

256783~256790, 256800, 257000, 260000, 300000

1730201~1730210, 1730300, 1731000, 1740000, 1800000, 2000000

156237~156240, 156300, 157000, 160000, 200000

59305436~59305440, 59305500, 59310000, 59400000, 60000000