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7). Calculați:24+23•[(216)5:277+2•255:253]:43.​

Răspuns :

24+23•[(216)5:277+2•255:253]:43.

24+23x(216x5:277+2x255:253):43

216×5=1080:277=3,9

2×255=510

510:253=2,01

24+23×(3,9+2,01):43

24+23×6:43

24+138:43=24+3,2

Răspuns final : 27,2