3.5×0.1=3.6÷0.09=200×0.04=12÷1.2=1.3×0.5=0.42÷0.6=3.2×0.5=0.21×0.3=2.5×1.4=5.5÷11=

发布时间:2020-08-12 07:38:23

3.5×0.1=3.6÷0.09=200×0.04=12÷1.2=1.3×0.5=0.42÷0.6=3.2×0.5=0.21×0.3=2.5×1.4=5.5÷11=

网友回答

3.5×0.1=0.353.6÷0.09=40200×0.04=812÷1.2=101.3×0.5=0.650.42÷0.6=0.73.2×0.5=1.60.21×0.3=0.0632.5×1.4=3.55.5÷11=0.5


解析分析:按照小数乘法按整数乘法、小数除法法则进行计算.


点评:此题考查小数乘法、小数除法解答此题的关键是小数乘法,乘完以后看因数中一共有几位小数,就从积的末尾起数出几位点上小数点.小数除法,先移动除数的小数点,使它变成整数.
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