3n=4m
m=3n/4
m/n=3/4
m:n=3:4
1.)f'(X)=18*x^2-2
2.)f'(X)=-36/x^9-2*x^7+4/√x
3.)f'(X) =tgx*(x+5)+ctgx
1 : 0,12 = 100 : 12 = 25/3 = 8 1/3 кг
11, 17, 19, 71, 77, 79, 91, 97, 991) 11+17+19=472) 99-79=20, 77-17=60, 91-11=803)11+19=30, 11+77=88, 11+79=90<span> </span>
3/15 = 0,2
7/20 = 0,35
4/6 = 2/3
93/7 = 13 2/7
58/29 = 2
27/18 = 1,5