Matematică
alexandragirbu123
5

Introduceti intregii in fractiile: a) 4[latex]\frac{3}{29}[/latex] b) 2[latex]\frac{11}{43}[/latex] c) 11[latex]\frac{23}{57}[/latex] d) 41[latex]\frac{19}{701}[/latex] e) 121[latex]\frac{3}{119}[/latex] Calculati: a) [latex]\frac{a}{19}+\frac{11a}{19}+\frac{7a}{19}[/latex] b) [latex]\frac{3a}{23}+\frac{17a}{23}+\frac{26a}{23}[/latex] c) [latex]\frac{11x}{49}+\frac{13x}{49}+\frac{25x}{49}[/latex] d) [latex]\frac{15b}{7}-\frac{3b}{7}-\frac{5b}{7}[/latex] e) [latex]\frac{21y}{11}-\frac{7y}{11}-\frac{3y}{11}[/latex] f) [latex]\frac{29c}{47}-\frac{21c}{47}-\frac{8c}{47}[/latex]

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(1) Răspunsuri
nicolaeosain

 [latex]1),Intregii\,se\,introduc\,in\,fractii\,astfel:\\ a)\;4\frac{3}{29}=\frac{29\cdot4+3}{29}= ...\\ b)\;2\frac{11}{43}=\frac{43\cdot2+11}{43}=...\\ c)\;11\frac{23}{57}= \frac{57\cdot11+23}{57}=...\\ d)\;41\frac{19}{701}=\frac{701\cdot41+19}{701}=...\\ e)\;121\frac{3}{119}=\frac{119\cdot121+3}{119}=...[/latex] [latex]2).\\ a)\;...=19a / 19=a\;\\ b)\;...=46a / 23=2a\;\\ c)\;...=49x / 49=x\;\\ d)\;...=7b / 7 =b\;\\ e)\;...=11y / 11=y\;\\ f)\;...= 0\;[/latex]

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