作业帮计算有理数混合运算[(-3)³-(-5)³]÷[(-3)-(-5)]答案是49吗?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/07 05:00:58
![计算有理数混合运算[(-3)³-(-5)³]÷[(-3)-(-5)]答案是49吗?](/uploads/image/z/3811155-51-5.jpg?t=%E8%AE%A1%E7%AE%97%E6%9C%89%E7%90%86%E6%95%B0%E6%B7%B7%E5%90%88%E8%BF%90%E7%AE%97%5B%28-3%29%26sup3%3B-%28-5%29%26sup3%3B%5D%C3%B7%5B%28-3%29-%28-5%29%5D%E7%AD%94%E6%A1%88%E6%98%AF49%E5%90%97%3F)
计算有理数混合运算[(-3)³-(-5)³]÷[(-3)-(-5)]答案是49吗?
计算有理数混合运算
[(-3)³-(-5)³]÷[(-3)-(-5)]
答案是49吗?
计算有理数混合运算[(-3)³-(-5)³]÷[(-3)-(-5)]答案是49吗?
[(-3)³-(-5)³]÷[(-3)-(-5)]
=[-27-(-125)]÷[(-3)+5]
=98÷2
=49
[(-3)³-(-5)³]÷[(-3)-(-5)]
=（125-27）÷2
=49