试题详情
附加题.
(1)计算:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADUAAAASCAYAAAD7T5b+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAF1SURBVEhL3VYxjoQwDMy7KHgOfX5CzUNo85At
8hQfTrJLsrHD+NAJ6ZAoEBmPxx4bHBkv5xwhtzEsdBzhTWegaNUhBj11odzmDNHAfyEc5f7fouI2
n7MybxSVUkvVQrFiyOAhXsai3KVTgfxASJ1MHxjAHon7IEiKG82fF0ccHnLxYMai3FmURirk0QVG
sMqZGELjiNRxi0uUuIeoSNv8XtOepILqnQKxiPBSXLxTOnezKIJncTNt2kApvs75tNj8rN1y8Rgz
cJ84UxJ3t/2SBUy+PvuoYpFONfMlb6nRSq+5hZU+Hvzxt0LBXopiK1mt/y385JZFvTu1L8VCyyfC
pSipyxeighcsf4O7E1UT7PuexKyTo2l9KWv1rJiY3MV2Zds0dSgFuMPtiL1cDbQ4TqlquVtNpxCs
PB7lSyItki8b/oIb/k1aDuHcLfT/a6DF/MrKDYt6rRO5aX1ElJUbFsXl5Yo90Skrt0lUN1NmI90D
oAX9Af6LKo4+lzCYAAAAAElFTkSuQmCC
)
=______
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