Решите 30 1.а)(0,2x-0,5a)²; б)(0,2500+3n)²; в)(6а-0,1667)²; г)(10с+0,1y)² 2.а)(а³+3b)²; б)(4x²-3c)²; в)(5m²+3n²)²; г)(6p²-8g³)².

A) =0.04x^2-0.5ax-0.25a^2
b)= 0.0625+1.5n+9n^2
в)= 36a^2-2.0004a-0.02778889
г) = 100с^2+20cy+0.01y^2
2. 1) =a^6+6a^3b+9b^2
2) = 16x^4-24x^2c-9c^2
3) =25m^4+30m^2n^2+9n^4
4) =36p^4-96p^2g^3-64g^6