Question

реши уравнение.
a : 12 = 5
24 : a = 3
a : 7 = 13
a * 3 = 30

Answer 1

1)а=5*12
а=60
2)а=24:3
а=8
3)а=13*7 
а= 91
4)а=30:3
а=10

Answer 2

1)a=12*5=60
2)a=24:3=8
3)a=13*7=91
4)a=30*3=90