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Mathematics, 09.08.2019 20:30 abbygriffin2693

Sabendo que o valor da expressão (a+b)= 15 e(c-d)=40, calcule o valor numérico da expressão algébrica a ao quadrado - b ao quadrado / a-b + c ao quadrado - d ao quadrado/ 2c+2d

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Sabendo que o valor da expressão (a+b)= 15 e(c-d)=40, calcule o valor numérico da expressão algébric...
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