zapisz prosciej wyrazenie i oblicz jego wartosc dla:
x= -4 y = 1/2
w zalaczniku przyklad
4x - 8y + 5 (x-2y) /5 +3x = 4x -8y +x -2y + 3x = 8x - 10y
8 *(-4) - 10 * 1/2 = -37
4(x-2y) + 5x-10y / 5 + 3x = 4x - 8y + x - 2y + 3x = 8x - 10y
dla x = -4 ; y = ½
8x - 10y
8*(-4) - 10 * ½ = -32 - 5 = -37
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4x - 8y + 5 (x-2y) /5 +3x = 4x -8y +x -2y + 3x = 8x - 10y
8 *(-4) - 10 * 1/2 = -37
4(x-2y) + 5x-10y / 5 + 3x = 4x - 8y + x - 2y + 3x = 8x - 10y
dla x = -4 ; y = ½
8x - 10y
8*(-4) - 10 * ½ = -32 - 5 = -37