己知a=11b=5c=-8则(c-a)一ib|=
答案:1 悬赏:0
解决时间 2021-01-19 18:12
- 提问者网友：暮烟疏雨之际
- 2021-01-19 08:27
己知a=11b=5c=-8则(c-a)一ib|=
最佳答案
- 二级知识专家网友：山君与见山
- 2021-01-19 08:57
a=11b=5c=-8则(c-a)一ib|=
a=-8
11b=-8 -> b=-8/11
5c=-8 -> c=-8/5
(c-a)-|b|
= [-8/5 - (-8)] - |-8/11|
= [-8/5 +8 ] - 8/11
= [32/5 ] - 8/11
=(352-40)/55
=312/55
=5+37/55
=5.672727
a=-8
11b=-8 -> b=-8/11
5c=-8 -> c=-8/5
(c-a)-|b|
= [-8/5 - (-8)] - |-8/11|
= [-8/5 +8 ] - 8/11
= [32/5 ] - 8/11
=(352-40)/55
=312/55
=5+37/55
=5.672727
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