Z -1 3/4=2 7/12,m-7 1/9=2 5/36,n-10 7/12=3 1/6,r-6 1/7=1 5/14 помогите плиииииииииииизззззззззззззз

z-1 3/4=2 7/12 z-7/4=31/12 z=31/12+7/4 z=31/12+(7*3)/12 z=31/12+21/12 z=(31+21)/12 z=52/12 z=13/3 z= 4 1/3 m- 7 1/9=2 5/36 m-64/9=77/36 m=77/36+64/9 m=77/36+ (64*4)/36 m=77/36+256/36 m=(77+256)/36 m=333/36 m=111/12 m=9 3/12 m=9 1/4 n-10 7/12=3 1/6 n-127/12=19/6 n=19/6+127/12 n=(19*2)/12+127/12 n=38/12+127/12 n=(38+127)/12 n=165/12 n= 55/4 n=13 3/4 r- 6 1/7=1 5/14 r-43/7=19/14 r=19/14+43/7 r=19/14+(43*2)/14 r=19/14+86/14 r=(19+86)/14 r=105/14 r=15/2 r=7 1/2