( р - 2)^2 - р( р - 3 ) = р^2 - 4р + 4 - р^2 + 3р = - р + 4
<span>16-y^2 = (4-y)*(4+y)
</span><span>1/8km^3 +kn^3 = k*(1/2m+n)*(1/4m^2-1/2mn+n^2)</span>
1983 рубля 20 копеек
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0.7 * ( - 3 ) ^ 3 + 2.6 * ( - 3 ) ^ 2 + 5 = 0.7 * ( - 27) +2.6 * 9 +5= - 18.9 + 23.4 + 5 = 23.4 - 18.9 + 5 = 4.5 + 5 = 9.5
Удачи)))
√48=4<span>√3
</span>
2√3+√5-√13+4<span>√3
6</span>√3+√5-√13