$2.\dot271\dot8 \div 1.9\dot1\dot2$
$=\frac{22718-2}{9999} \div \frac{1912-19}{990}$
$=\frac{22716}{9999} \div \frac{1893}{990}$
$=\frac{2524\times9}{1111\times9} \div \frac{631\times3}{330\times3}$
$=\frac{2524}{1111} \div \frac{631}{330}$
$=\frac{2524}{1111} \times \frac{330}{631}$
$=\frac{4\times631}{101\times11} \times \frac{30\times11}{631}$
$=\frac{120}{101}$
$=1.\dot188\dot1$
নির্ণেয় ভাগফল $1.\dot188\dot1$
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