Задание
Наосновеупражнения483(4,5,6)(стр.35).
Раскройтескобки
- \(-0,6d(-6a-8b+9c)=\) [ \(3,6ad+4,8bd+5,4cd\) | \(-3,6ad+4,8bd-5,4cd\) | \(1,6ad+4,4bd-5,4cd\) | \(3,6ad+4,8bd-5,4cd\) ]
- \(-18\left(\dfrac{1}{6}m-\dfrac{5}{9}n+\dfrac{2}{3}p\right)=\) [ \(3m+10n-12p\) | \(-3m-10n-12p\) | \(-3m+10n+12p\) | \(-3m+10n-12p\) ]
- \(\dfrac{2}{3}a(9b-12c-6d)=\) [ \(-6ab-8ac-4ad\) | \(6ab-8ac-4ad\) | \(6ab-8ac+4ad\) | \(6ab+8ac-4ad\) ]