Question

Aflați numărul a pentru care :
10-9:{8-7:[6-5:(@-3)]}= 1​

Answer 1

a=4

Explicație pas cu pas:

10-9:{8-7:[6-5:(a-3)]}=1

9:{8-7:[6-5:(a-3)]}=10-1

9:{8-7:[6-5:(a-3)]}=9

{8-7:[6-5:(a-3)]}=9:9

{8-7:[6-5:(a-3)]}=1

7:[6-5:(a-3)]=8-1

7:[6-5:(a-3)]=7

[6-5:(a-3)]=7:7

6-5:(a-3)=1

5:(a-3)=6-1

5:(a-3)=5

a-3=5:5

a-3=1

a=1+3

a=4