Question

Сравните(>,<,=)
(3•4)•(2•5) ? (3•2)•(5•4)
(3•4)•(2•5) ? (3•5)•(4•2)
(3•4)•(2•5) ? 3•(4•2)•5
Помогите плииз!!!!

Answer 1

1)=
2)=
3)=.................