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4. Calculează, tinand cont de ordinea efectuării operatiilor:
1688 + [3 x (127 +246 : 2) + 81:9) =
13 000 - [176x7-333:3 +(2+ 1 x 4)]​


Răspuns :

Răspuns:

1688+[3×(127+246:2)+81:9]=

=1688+[3×(127+123)+9]=

=1688+(3×250+9)=

=1688+(750+9)=

=1688+759=

=2447

13000-[176×7-333:3+(2+1×4)]=

=13000-[1232-111+(2+4)]=

=13000-(1121+6)=

=13000-1127=

=11873

1688 + [3 x (127 +246 : 2) + 81:9) =

1688+[3×(127+123)+9]=

1688+(3×250+9)=

1688+(750+9)=

1688+759=

2447.

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13 000 - [176x7-333:3 +(2+ 1 x 4)]=

13.000-[1232-111+(2+4)]=

13.000-(1121+6)=

13.000-1127=

11.873

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