Question

1+{2•[3+(×-4)•5]:6}•7=8 e urgent​

Answer 1

Răspuns:

1+{2•[3+(×-4)•5]:6}•7=8

{2•[3+(×-4)•5]:6}•7=8-1

{2•[3+(×-4)•5]:6}•7=7

2•[3+(×-4)•5]:6=7:7

2•[3+(×-4)•5]:6=1

2•[3+(×-4)•5]=6×1

2•[3+(×-4)•5]=6

3+(×-4)•5=6:2

3+(×-4)•5=3

(×-4)•5=3-3

(×-4)•5=0

×-4=0:5

x-4=0

x=4