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Problemi Simili mit-Tiftix tal-Web

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81y^{2}-90y+25
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(9y-5\right)^{2}.
81y^{2}-90y+25
Uża teorema binomjali \left(a-b\right)^{2}=a^{2}-2ab+b^{2} biex tespandi \left(9y-5\right)^{2}.