Bantuin jangan ngasal

Bantuin jangan ngasal

Penjelasan dengan langkah-langkah:

misal

0,123123… = x

123,123123… = 1000x

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-123 = -999x

$x = frac{123}{999} = frac{41}{333}$

$3 frac{1}{4} times 2 frac{4}{5} = frac{13}{4} times frac{14}{5} \ = frac{13}{2} times frac{7}{5} \ = frac{91}{10} \ = 9 frac{1}{10}$