с*4=36
с=36/4
с=9
7*x=21
x=21/7
х=3
a*6=30
a=30/6
а=5
с*4=36 с=36/4 с=9
7*x=21 x=21/7 х=3
a*6=30 a=30/6 а=5
с*4=36
с=36/4
с=9
7*x=21
x=21/7
х=3
a*6=30
a=30/6
а=5
с*4=36 с=36/4 с=9
7*x=21 x=21/7 х=3
a*6=30 a=30/6 а=5