计算有理数混合运算[(-3)³-(-5)³]÷[(-3)-(-5)]答案是49吗?
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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
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