题目计算:(1)∣−2∣+(−1)2022×(π−2)0−18(1)|-2|+{(-1)}^{2022}×{(π-2)}^{0}-\frac{1}{8}(1)∣−2∣+(−1)2022×(π−2)0−81；(2)a⋅a2⋅a3−(−2a2)3+(3a4)2÷a2(2)a\cdot a^{2}\cdot a^{3}-(-2a^{2})^{3}+(3a^{4})^{2}\div a^{2}(2)a⋅a2⋅a3−(−2a2)3+(3a4)2÷a2；(3)(2−π)0+(13)−2+(−2)3(3){(2-π)}^{0}+{(\frac{1}{3})}^{-2}+{(-2)}^{3}(3)(2−π)0+(31)−2+(−2)3；(4)x(2x−1)−2(x−2)2(4)x\left(2x-1\right)-2\left(x-2\right)^{2}(4)x(2x−1)−2(x−2)2.知识点：分式的混合运算章节：数与式 / 分式
