直接写数．

42%-0.42=	\( \frac {1}{4}\)÷\( \frac {2}{3}\)=	\( \frac {4}{7}\)+\( \frac {3}{7}\)×2=	\( \frac {1}{2}\)×\( \frac {1}{3}\)÷\( \frac {1}{3}\)×\( \frac {1}{2}\)=
25×40%=	\( \frac {1}{3}\)×0.45=	\( \frac {1}{3}\)+\( \frac {1}{4}\)=	\( \frac {4}{5}\)÷\( \frac {5}{4}\)=

【考点】分数、百分数四则混合运算,分数的加法和减法,分数的除法,分数的乘法,分数四则混合运算

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