因为-0.125^15= (-0.125)^14 *(-0.125)
所以 (-0.125)^15*(-8)^14 = (-0.125)^14* (-8)^14 * (-0.125)
= 0.125^14 * 8^14 * (-0.125)
= (0.125 * 8)^14 * (-0.125)
= 1^14 * (-0.125)
= -0.125
步骤很详细了.