题目计算:(1)−1.25×(−5)×3×(−8)(1)-1.25\times \left(-5\right)\times 3\times \left(-8\right)(1)−1.25×(−5)×3×(−8)；(2)(512+23−34)×(−12)(2)(\frac{5}{12}+\frac{2}{3}-\frac{3}{4})×(-12)(2)(125+32−43)×(−12)；(3)−14−(−3)2−12×∣−34∣(3)-1^{4}-(-3)^{2}-12×|-\frac{3}{4}|(3)−14−(−3)2−12×∣−43∣.知识点：实数的运算;一元一次方程章节：未标注
