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(2010•泰州模拟)计算:(1)计算:-|-|+6sin60°-(π-3.14)(2)先...
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(2010•泰州模拟)计算:
(1)计算:
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACwAAAAjCAYAAADv0ujUAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFnSURBVFhH7ZeLDcMgDEQ9GTuxDsswSkZxbVA/
NDEEY6KiJlKqSA3wOM4HAVzsgsV48Q+Bt4AOHIbtmrUaUzh6BAC6VwFOokb0s4APVm9M4ZnAwur9
LrAgxg1smxX7+rhc4eg5VYTbx6/5toDZ6LtGLc2OUyJ6i6irATOsC9iV/yl23mqVc90wOMDu+Rf6
SMA8cC9sS3iTyBOA2VdjSlToVTaj/oTVo6LjWXj6nXSlge36BxS821fNtclaePndP2zB9RcbtRej
iYqwvDKwMzrOqYHPG8gYWLLEeaDWm8aWmHo8fEWbZdHxiXYg1lINPDePoyzXxpqwcLlC1NFDkVjd
cNgOFlv0R0q8HjVbM7WRNxxb7z45ywxipU9veRko22Hv0RGb1crY4HiZa+CqD1ET4FwGVHynV6cV
hfL/ZsApHqec+Ep4W+CVFLb5wmhbRa9w9WujPbD2DT2wdsTBdjfwoIDN5ssp/ACu3+aLG3I3WgAA
AABJRU5ErkJggg==
)
-|-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAASCAYAAABfJS4tAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADcSURBVDhP3ZS7DcQgDIY9FwXjpPcm1AxC60FS
MMp/MeEhAndKFKpDihQM/vj9AMJkEBFef9/AM/sTG/0xOHpYsvDxEqNwq4f1KMv3UlGdL2A9jCWf
JGAtep7fAydXdezBUaQq1B3RW1BW/Qo8FF4jW6H4ChYmlMysU9zlG1gEjvCWjyq0QQhbbpetWvU6
j2MsXtkjPLYhhRDSujME4/b0/wSsnVA7LjUPp3mTlpSfqgdwuhztYSogLdb4WJ0p6WLeDmdVPVc8
yc4PUwfenQEZtx6sAlT1csUlshXgD//STj3XzKsLAAAAAElFTkSuQmCC
)
|+6sin60°-(π-3.14)
(2)先化简,再求值:(1-
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAjCAYAAAB/wZEbAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEbSURBVEhL7ZbdDYMwDIQ9mXfKOlnGo2QUg9Mk
iGBsU4rUByrx0NJ+Oc4/V+AHX/Agm/8ATokB4HNh5hJ8XF95yYyJGo44yQHjvX2KCy9EO6UlY1i9
Cz9oE4t+pXyGUwIOsi92y85/v6oXbCmcMXEvrY/muHJKyDnag+3kkHLpkJ3Pa1EjvrtwKeAYoD5I
ELPHhUe8PfvOC1edWWulFez+Z3La67nu+Z0+rr81UiruuTbyTkrdgnspBeOxRvC2nJyDOLKsppRq
ymVXy0oV8LaU9KXVZ+C4vOaUGrbU4LW2nadcSanNc7lp/Scx4XpKDTityhGMtDHgZylV4T1phmca
6ARupVRdXNjDsQ9EJMPq/NgpFe/zL0b5haumLVpFkan4cB5MAAAAAElFTkSuQmCC
)
)÷
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAqCAYAAACgLjskAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFFSURBVFhH7VftEYMgDGUydso6WSajMEoaUFRU
LMTItXd659kfwjPvI6SOB19uMB7/AWBA9s4zBh03fRUSsHNO7lGAqShieAEv5O3T8KW0ISk/TmkK
fczhdAM1lLR7RVFhP8h2xQt4j7+T1aL9aoKnf0f8V0N7Dc13/LLhhYaB0WdDgRy7NlcVMCAscwuB
AHtk5RhTfGmbS1MPtamyDTDNMSMBpULQzoWa04LQRr+mThPQq869mqcvNYxgfqGSGLtpPc6wVcAU
haKx90/b0x7lukaXKkIvfwuATiqMtMVKMnU2IRegNPDUKI3Blk5CRgYhyJmtajj1zdUgdQqP2m60
jlUlKvP6C9PEjTRjX/lp24Zfmi7vPZtGLO9Fy/uIO2oqFSbOZx2DPNHqLDozzTpBz3QYHUNTqR3B
VySvaclzwa/ADwf8ABATOCsGVoJ7AAAAAElFTkSuQmCC
)
,其中x是方程
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABcAAAAjCAYAAAB/wZEbAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFISURBVEhL1VaLDYQgDO1k7MQ6LMMojNJr+VnU
s1XwkjMxJiqP9n2qgC8e8CI2/gg8BXTgMKR1vZTKo0cAoPMN8LID+qfgvTgq0MfeuuD8ITjT2QAz
tYCucjsNnmJEKVMKDsGFfG8a/CA/U/QWOFe+jJaxctKtVs33l9ISvSfPbUcBryoXrwMKN5kTxXTs
162JP4nYeG6h5I2mwbP1asfbtdCjg7f0daE4bESfEO4bdzp4EQWD47nDwKNoV6JQJ0XEs1MuLO3b
gXdWVIzBjjJQIVGMtNDM5OTdnJom8Obh6GsGSGRLFnYfi9EFDMZadA8351iQsxXlPM4fjHHgmyN6
8iJczeMZ4HO3cOvGtrXND4J20bSVhucj+MC/YbXyigDniN9LoLZ9B49+7T9LF/Qw6I0hUStvQRkH
1xp6TPHXKpyc58/g/7fyDzGOtWymcaBPAAAAAElFTkSuQmCC
)
-x+4=0的解.5
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