4-1.08=0.4÷4=12-數(shù)學(xué)公式=數(shù)學(xué)公式×數(shù)學(xué)公式=
24×0.125=數(shù)學(xué)公式+數(shù)學(xué)公式=數(shù)學(xué)公式÷數(shù)學(xué)公式=數(shù)學(xué)公式+數(shù)學(xué)公式÷數(shù)學(xué)公式+數(shù)學(xué)公式=

解:
4-1.08=2.92,0.4÷4=0.1,12-=11,×=,
24×0.125=3,+=4,÷=,+÷+=1

分析:本題根據(jù)小數(shù)、分?jǐn)?shù)的加法、減法、乘法、除法的運(yùn)算法則計(jì)算即可.
24×0.125可將24拆分為3×8后根據(jù)乘法結(jié)合律計(jì)算.
+÷+可根據(jù)加法結(jié)合律計(jì)算.
點(diǎn)評(píng):完成此類題目要細(xì)心分析式中數(shù)據(jù),然后快速準(zhǔn)確得出答案.
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