Question

Se a-b+c=17, qual o valor de 2(a+1)-(b+3)+(2c-b)?

Answer 1

Explicação passo-a-passo:

(a + b) 2 = a2 + 2ab + b2 ... (x4)2.(1/x2)+3.x4.(1/x2)2+(1/x2)3 = x12+3x6+3+(1/x6). f) ((2x/3)+(4y/5)).((2x/3)-(4y/5).