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Calculati respectand ordinea operatilor:
(8•9-4:2)-(91-9•9)=
100-(27+7•6-48:8):7=
(4•8+3•9+21):10:(40-9•4)=​


Răspuns :

Răspuns:

a) (72-2)-(91-81)

70-10

=60

b) 100-(27+42-6):7

100-(69-6):7

100-63:7

100-9

=91

c) (32+27+21):10:(40-36)

(59+21):10:4

80:10:4

8:4

=2

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