Mathematics, 02.10.2019 04:30 Ariannamorales5355

Erica used friendly numbers to find 43-19. she added 1 to 19 and subtracted 1 from 43. what is erica's error?

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Erica used friendly numbers to find 43-19. she added 1 to 19 and subtracted 1 from 43. what is erica...

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