Question

1) (64:8+10 x 6+b): [72:4-6x10-53)] = 7;
mersul inapoi va rog​

Answer 1

Răspuns:

b = 9.

Explicație pas cu pas:

(64:8+10•6+b):[72:4-(6•10-53)] = 7

(8+60+b):[18-(60-53)] = 7

(68+b):(18-7) = 7

(68+b):11 = 7

68+b = 7•11

68+b = 77

b = 77-68

b = 9