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[980 - 72 - 145 + 6 - (14 + a)] + 119 = 842​

Răspuns :

Răspuns:

[980 - 72 - 145 + 6 - (14 + a)] + 119 = 842

[980-72-145+6-(14+a)]=842-119

[980-72-145+6-(14+a)]=723

[908-145+6-(14+a)]=723

[763+6-(14+a)]=723

769-(14+a)=723

14+a=769-723

14+a=46

a=46-14

a=32