Răspuns :
8×9-7×6=72-42=30
3+2=5
5×4÷5+1=20÷5+1=4+1=5
30÷5+x=16
6+x=16
x=16-6
x=10
3+2=5
5×4÷5+1=20÷5+1=4+1=5
30÷5+x=16
6+x=16
x=16-6
x=10
(9×8 -7 ×6 ):[ 5 ×4 :(3+2 )+1 ]+x=16
(72 -42 ):(20 :5 + 1 )+x = 16
30 :(4 +1 ) + x = 16
30 :5+x = 16
6+x = 16
x=16 -6
x=10
(72 -42 ):(20 :5 + 1 )+x = 16
30 :(4 +1 ) + x = 16
30 :5+x = 16
6+x = 16
x=16 -6
x=10