3xy + 25y^2 = 3×4×3 + 25×3^2 = 36 + 225 = 261
3ху+25у^2
Если х=4,у=3,то 3ху+25у^2=(3*4*3)+(25*3^2)=36+25*9=36+225=261
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3xy + 25y^2 = 3×4×3 + 25×3^2 = 36 + 225 = 261
3ху+25у^2
Если х=4,у=3,то 3ху+25у^2=(3*4*3)+(25*3^2)=36+25*9=36+225=261