211,7:2,5-11,7:22,5=84,68-0,52=84,16
17,4:2,9=6
211,7/2,5=84,68; 11,7/22,5=0,52;
84,68 - 0,52= 84,16
17,4/2,9 =6
211,7:2,5-11,7:22,5=84,68-0,52=84,16
17,4:2,9=6
211,7/2,5=84,68; 11,7/22,5=0,52;
84,68 - 0,52= 84,16
17,4/2,9 =6