题目计算:(1)(12)−3−(−1)2+(π−1)0(1){(\frac{1}{2})}^{-3}-{(-1)}^{2}+{(π-1)}^{0}(1)(21)−3−(−1)2+(π−1)0；(2)(−2ab)2⋅8a4b2÷(−16a2b)(2)\left(-2ab\right)^{2}\cdot 8a^{4}b^{2}\div (-16a^{2}b)(2)(−2ab)2⋅8a4b2÷(−16a2b).知识点：分式的混合运算章节：数与式 / 分式
