Question

aflati termenii necunoscuti din egalitati

Answer 1

de exemplu:a x 5 =9-4

                    a x 5=5

                          a=5:5

                         a=1

                 V:1x5=9-4

                      5=5           multumit?

Answer 2

Exemplu:
(Ax6):20=5 x 6
(Ax6):20=30
Ax6=20x30
Ax6=600
A=600:6
A=100