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a fost răspuns

4,39+11,5×3+×=70,706

Răspuns :

Intrebareamea
4,39 +34,5 +x=70,706 <=> 38,89+x =70,706 b<=>x=70,706-38,89 <=>x=31,816..........coronita?

Kibbentrop
4,39+11,5x3+x=70,706
4,39+34,5+x=70,706
x=70,706-4,39-34,5
x=31,816

Treci termenii cunoscuti cu semn schimbat dupa egal.