Question

[65,95]-?
(65,35)-?
[50,95]-?
(50,95)-?
5×3-2x=50​

Answer 1

Răspuns:

1)[5,13;5,19]=5•13•19=1235

2)(5,13;5,7)=5

3)[2,5²;5,19]=5²•2•19=950

4)(2,5²;5,19)=5

5) 2x=50+(5•3)

2x=50+15

2x=65

x=65:2

x=32,5