Oblicz wartość liczbową wyrażenia .c) 5m^2n^3+4(m-n) dla m=-1/2 , n=-1
5(-1/2)2(-1)+4(-1/2)-(-1)= (-5/2)(-2)+(-2)=5-2=3
5m²n³+4(m-n) m=-1/2 n=-1
5·1/4·(-1)+4(-1/2+1)=-5/4+4·1/2=-5/4+2=-1 i1/4+2=3/4
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5(-1/2)2(-1)+4(-1/2)-(-1)= (-5/2)(-2)+(-2)=5-2=3
5m²n³+4(m-n) m=-1/2 n=-1
5·1/4·(-1)+4(-1/2+1)=-5/4+4·1/2=-5/4+2=-1 i1/4+2=3/4