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> 计算:(y-x-1)÷(x-y-1).(结果不含负整数指数幂)-数学
计算:(y-x-1)÷(x-y-1).(结果不含负整数指数幂)-数学
题目简介
计算:(y-x-1)÷(x-y-1).(结果不含负整数指数幂)-数学
题目详情
计算:(y-x
-1
)÷(x-y
-1
).(结果不含负整数指数幂)
题型:解答题
难度:中档
来源:不详
答案
原式=
(y-
class="stub"1
x
)÷(x-
class="stub"1
y
)
=
class="stub"xy-1
x
÷
class="stub"xy-1
y
=
class="stub"xy-1
x
•
class="stub"y
xy-1
=
class="stub"y
x
.
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题目简介
计算:(y-x-1)÷(x-y-1).(结果不含负整数指数幂)-数学
题目详情
答案
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=
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