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45+7×[307-816÷(9-a)]-8×1=758cum faceti rezolvarea​

Răspuns :

Răspuns:

45+7×C-8=758

45+7C=758+8

45+7C=766

7C=766-45

7C=721

[307-816÷(9-a)]=721

(307-816÷H)=721

307-K=721

K=721-307

K=414

816÷(9-a)=414

eror 404

idk