6.4÷4=7.5÷5=12.3+0.8=16×0.5=14-7=23.6-0.6=0.4×0.6=7.2÷8=4.5÷9=8.7+5.6=0.25×4=0.32+8=
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解:6.4÷4=1.67.5÷5=1.512.3+0.8=13.116×0.5=814-7=723.6-0.6=230.4×0.6=0.247.2÷8=0.94.5÷9=0.58.7+5.6=14.30.25×4=10.32+8=8.32
解析分析:根据小数加减乘除法的计算方法进行解答即可.
点评:此题考查了小数加减乘除法的口算能力,让解答即可.