Mandachestefania1234id Mandachestefania1234id Matematică a fost răspuns a)3x-4xy+5y+3×+4xyb)3a-(4a+5b)-4a+6bc)11a-(3b-3a-4a)d)[tex]4x + 5x \times x - {25}x^{2} \div x - {5}x^{2} [/tex]