(1)1數(shù)學(xué)公式×(0.5262÷0.03-1數(shù)學(xué)公式+0.06)×(6.45-3數(shù)學(xué)公式
(2)1數(shù)學(xué)公式×(2數(shù)學(xué)公式-數(shù)學(xué)公式)+17數(shù)學(xué)公式÷數(shù)學(xué)公式

解:(1)1×(0.5262÷0.03-1+0.06)×(6.45-3),
=1×(17.54+0.06-1)×(6.45-3),
=1×(17.6-1)×(6.45-3),
=[×(-)]×(-),
=[×-×]×(-),
=[-,
=×
=48.5;

(2)1×(2-)+17÷
=1×+17÷
=×1+17×,
=(1+17)×,
=19×,
=
分析:(1)先算第一個(gè)小括號(hào)里面的除法,然后把第一個(gè)小括號(hào)里面的運(yùn)算運(yùn)用加法交換律簡(jiǎn)算,再運(yùn)用乘法結(jié)合律和乘法分配律簡(jiǎn)算;
(2)先算小括號(hào)里面的減法,再把除法變成乘法,運(yùn)用乘法分配律簡(jiǎn)算.
點(diǎn)評(píng):本題考查了較復(fù)雜的四則混合運(yùn)算,要注意分析式中數(shù)據(jù),運(yùn)用合適的簡(jiǎn)便方法計(jì)算.
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