👤

(64:8+10x6+b) :[72:4-(6x10-53)] =7​

Răspuns :

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

  • (68 + B) : [18 - 7] = ]7

  • (68 + B) : 11 = 7

  • (68 + b) = 77

  • B=77 - 68

  • B=9