👤
Pericle87
a fost răspuns

calculati:9×{8+7×[6+5×(4+3×(2+1))]}÷(1+2+3+...+9)​

Răspuns :

Răspuns:

9×{8+7×[6+5×(4+3×3)]}÷45=9×{8+7×[6+5×(4+9)]}÷45=9×[8+7×(6+5×13)]=9×[8+7×(6+65)]=9×(8+7×71)=9×(8+497)=9×505=4545

Alte intrebari