解:(1)7×(

+

)×8,
=7×8×

+7×8×

,
=16+21,
=37;
(2)

÷9+

÷

,
=

×

+

×

,
=(

+

)×

,
=1×

,
=

;
(3)0.32×6.7+3.2×0.33,
=3.2×0.67+3.2×0.33,
=(0.67+0.33)×3.2,
=1×3.2,
=3.2;
(4)

×[

-(

+

)],
=

×[

-

-

],
=

×[

-

],
=

×

,
=

.
分析:(1)運(yùn)用乘法分配律簡(jiǎn)算,注意不要寫(xiě)成7×

+

×8;
(2)把除法改為乘法,按運(yùn)算順序計(jì)算,先算乘法,再算加法;
(3)根據(jù)數(shù)字特點(diǎn),把原式變?yōu)?.2×0.67+3.2×0.33,然后運(yùn)用乘法分配律的逆運(yùn)算簡(jiǎn)算;
(4)此題可以按運(yùn)算順序計(jì)算,先算小括號(hào)內(nèi)的,再算中括號(hào)內(nèi)的,最后算括號(hào)外的;也可運(yùn)用減法的性質(zhì),先變?yōu)?img class='latex' src='http://thumb.zyjl.cn/pic5/latex/2766.png' />×[

-

-

],然后按運(yùn)算順序計(jì)算.
點(diǎn)評(píng):此題主要考查分?jǐn)?shù)、小數(shù)的四則混合運(yùn)算的運(yùn)算順序和應(yīng)用運(yùn)算定律進(jìn)行簡(jiǎn)便計(jì)算.