Question

Efectuati: 7/45 x ( 27/28 - 9/56) urgeeeent

Answer 1

$\frac{7}{45}$ x $( \frac{27}{28} - \frac{9}{56} ) [amplificam pe 27/28 cu 2] = \frac{7}{45}$ x $( \frac{54}{56} - \frac{9}{56} )= \frac{7}{45}$ x $\frac{45}{56}$ [se reduc 45 cu 45] $= \frac{7}{56}$ $=0,125$

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