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6*(4x-60)-250=590
(162*54:x)*(6+27:9)=81
Calculati:


Răspuns :

6*(4x-60)-250=590
6*(4x-60)=590+250
6*(4x-60)=840
4x-60=840:6
4x-60=140
4x=140+60
4x=200
x=200:4
x=50


(162*54:x)*(6+27:9)=81
(162*54:x)*(6+27:9)=81
(162*54:x)*(6+3)=81
(162*54:x)*9=81
(8748:x)*9=81
8748:x=81:9
8748:x=9
x=8748:9
x=972