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(0,3*4)-(0,1*(-10))= 1,2-0,1=1,1
<span> 5-7,6a^2+5,1ab-3,4ab^2 - (5,2a^2-1,4b^2a) =
= </span> 5 - 7.6a^2 + 5.1ab - 3.4b^2a - 5.2a^2 + 1.4b^2a =
= 5 - 12,8a^2 + 5.1ab - 2b^2a
(6m)^3 - 3*6m^2*n^3+3*6m*(n^3)^2-(n^3)^3 = 216m^3-18m^2n^3+18mn^6-n^9