Question

Efectuati grupand convenabil termeni

Answer 1

32 485 + 260 + 515 + 740 = 34 000

= ( 32 485 + 515 ) + ( 260 + 740 ) =

= 33 000 + 1 000 =

= 34 000

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56 243 + 57 + 35 + 965 = 57 300

= ( 56 243 + 57 ) + ( 35 + 965 ) =

= 56 300 + 1 000 =

= 57 300

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3 587 + 725 + 275 + 413 = 5 000

= ( 3 587 + 413 ) + ( 725 + 275 ) =

= 4 000 + 1 000 =

= 5 000