1) (-5+0,2a^2)(25+0,04a^4+a^2)=0,008a⁶-125.
2) (m^3+n^2)(m^6-m^3n^2+n^4)=m⁹+n⁶.
3)(0,2a^4-3b)(0,04a^8+0,6a^4b+9b^2)=0,008a¹²-27b³.
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1) (-5+0,2a^2)(25+0,04a^4+a^2)=0,008a⁶-125.
2) (m^3+n^2)(m^6-m^3n^2+n^4)=m⁹+n⁶.
3)(0,2a^4-3b)(0,04a^8+0,6a^4b+9b^2)=0,008a¹²-27b³.