Question

Pls vreau răspunsul de la ex 6 dau coroana:/

Answer 1

Răspuns:

Explicație pas cu pas:

3,5 = 35/10 = 7/2

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0,128 = 128/1000 = 32/250 = 16/125

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142,5 = 1425/10 = 185/2

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0,(8) = 8/9

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3,(36) = (336 - 3)/99 = 333/99 = 111/33 = 37/11

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2,(108) = (2108 - 2)/999 = 2106/999 = 234/111 = 78/37

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7,1(6) = (716 - 71)/90 = 645/90 = 129/18 = 43/6

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2,3(124) = (23124 - 23)/9990 = 23101/9990

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4,13(72) = (41372 - 413)/9900 = 40959/9900 = 4551/1100