1)
х+8,34=10;
x = 10 - 8,34
x = 1,66
2)
9,26+х=13,1;
x = 13,1 - 9,26
x = 3,84
3)
х+27целых8/9=52
x = 52 - 27 8/9
x = 24 1/9
