Ответ:
1) 3)(4/8-1/8)a^2+(-a^3+a^3)+(-0.1+2)a= 3/8a^2+1.9a
3/8*(-0.4)^2+1.9*(-0.4)=0.06-0.76= -0.7
2) 3) (3/9-5/9)a^2+(-1/2-0.3+1)a= -2/9a^2+0.2a
-2/9*(-0.3)^2+0.2*(-0.3)= -0.06-0.06= -0.12
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Ответ:
1) 3)(4/8-1/8)a^2+(-a^3+a^3)+(-0.1+2)a= 3/8a^2+1.9a
3/8*(-0.4)^2+1.9*(-0.4)=0.06-0.76= -0.7
2) 3) (3/9-5/9)a^2+(-1/2-0.3+1)a= -2/9a^2+0.2a
-2/9*(-0.3)^2+0.2*(-0.3)= -0.06-0.06= -0.12