Луч равен 6 сантиметров точка а - половина этого отрезка , точка В 6 см разделить на 3 части и взять одну часть и т д
<span>6</span>⁷<span>/</span>₁₅<span> - 2</span>³<span>/</span>₁₅<span> = 4</span>⁷⁻³<span>/</span>₁₅<span> = 4</span>⁴<span>/</span>₁₅
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9</span>¹¹<span>/</span>₁₆ <span>+ 4</span>³<span>/</span>₁₆<span> - 2</span>²<span>/</span>₁₆<span> = 13</span>¹⁴<span>/</span>₁₆<span> - 2</span>²<span>/</span>₁₆<span> = 11</span>¹²<span>/</span>₁₆<span> = 11</span>³<span>/</span>₄
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6</span>⁵<span>/</span>₁₄<span> - 2</span>¹¹<span>/</span>₁₄<span> = 5</span>¹⁹<span>/</span>₁₄<span> - 2</span>¹¹<span>/</span>₁₄<span> = 3</span>⁸<span>/</span>₁₄<span> = 3</span>⁴<span>/</span>₇
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19</span>¹¹<span>/</span>₃₅<span> -12</span>²⁹<span>/</span>₃₅<span> = 18</span>⁴⁶<span>/</span>₃₅<span> - 12</span>²⁹<span>/</span>₃₅<span> = 6</span>⁴⁶⁻²⁹<span>/</span>₃₅ = 6¹⁷/₃₅
А)2 13\30-(1 1\10+1\5) = 73\30-(11\10+1\5)=73\30-(11\10+1\5^2)=73\30-(11\10+2\10)=83\30-(9\10^3)=73\30-27\30=46\30=1,53
б)2 8\15-(1 3\10+2\5)=48\15-(13\10+2\5^2)=48\15-(13\10+4\10)=48\15^2-17\10^3=96\30-51\30=45\30=1,5
в)4 14\45-1 7\15-3\5=194\45-22\15-3\5=194\45-22\15^3-3\5^9=194\45-66\45-27\45=101\45=2,24
г)4 11\30-2 9\20-1\10=131\30^2-49\20^3-1\10^6=262\60-147\60-6\60=109\60=1,816
Конечные ответы я записал в виде десятичной дроби .
Б)98•17-9•17. В)48•76+52•76.Г)75•78-65•78. Д)971•5-52•5. Е) 784•9+54•9. Как то так.