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102.1-(14.8+7.3×100÷100)=



Răspuns :

102.1-(14.8+7.3×100÷100)=81

=102.1-(14.8+730:100)=

=102.1-(14.8+7.3)=

=102.1- 21.1=

=81=

1021.2-(14.8+7.3x100:100)=

1021.2-(14.8+730:100)=

1021.2-(14.8+7.3)=

1021.2-21.1=

81