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Problemi Simili mit-Tiftix tal-Web

Sehem

81x^{2}-72xy+16y^{2}
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(-9x+4y\right)^{2}.
81x^{2}-72xy+16y^{2}
Uża teorema binomjali \left(a+b\right)^{2}=a^{2}+2ab+b^{2} biex tespandi \left(-9x+4y\right)^{2}.