.Jakimi liczbami nalezy zastapic symbole? 3/5 * -/4= 3 12* 9/- = 5 2/5 -/20 : 3/4 = 6
3x/20=3 / *20
3x=60 / : 3
x=20
12*9/x=5
108/x =5 / *x
108=5x / :5
x=21,6
2/5- x/20: 3/4=6
2/5 -x/20*4/3=6
-x/15=5,6 / *-15
x=-84
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3x/20=3 / *20
3x=60 / : 3
x=20
12*9/x=5
108/x =5 / *x
108=5x / :5
x=21,6
2/5- x/20: 3/4=6
2/5 -x/20*4/3=6
-x/15=5,6 / *-15
x=-84