2666|43. 16632|54
258. |62. 162 | 308
86. 432
86. 432
0. 0
В 1 гектаре-10000кв метров
...............................................
<span>6+5/13 =6</span>⁵/₁₃<span>
6/57+4 =4</span>⁶/₅₇<span>
6 4/9+5 2/9 =11</span>⁶/₉=11²/₃<span>
11 8/11- 3 5/11 =8</span>³/₁₁<span>
8 7/18 + 7 =15</span>⁷/₈<span>
5/18-4 11/18 = - 4</span>⁶/₁₈= - 4¹/₃