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数学公式-数学公式=0.9-0.26=1.2×数学公式=数学公式÷数学公式=
1-数学公式÷数学公式=1.25×3×8=13-0.52=10.2-0.32-0.68=

解:

-=0.9-0.26=0.641.2×=1÷=
1-÷=1.25×3×8=3013-0.52=0.7510.2-0.32-0.68=9.2

分析:根据分数、小数加减乘除法的计算方法进行解答即可.
点评:此题考查了分数、小数加减乘除法的口算能力,注意认真计算即可.
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