作业帮-1²-[1又3/7+(-12)÷6]²×(-3/4)³
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 03:41:50
![-1²-[1又3/7+(-12)÷6]²×(-3/4)³](/uploads/image/z/1024462-46-2.jpg?t=-1%26%23178%3B-%5B1%E5%8F%883%2F7%2B%28-12%29%C3%B76%5D%26%23178%3B%C3%97%28-3%2F4%29%26%23179%3B)
-1²-[1又3/7+(-12)÷6]²×(-3/4)³
-1²-[1又3/7+(-12)÷6]²×(-3/4)³
-1²-[1又3/7+(-12)÷6]²×(-3/4)³
-1²-[1又3/7+(-12)÷6]²×(-3/4)³
=-1-(1+3/7-2)²×(-27/64)
=-1-16/49×(-27/64)
=-1+27/196
=-169/196;