0.36×0.25 简便计算
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![0.36×0.25 简便计算](/uploads/image/z/105139-19-9.jpg?t=0.36%C3%970.25+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
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0.36×0.25 简便计算
0.36×0.25 简便计算
0.36×0.25 简便计算
0.36×0.25
=0.9×0.4×0.25
=0.9×(0.4×0.25)
=0.9×0.1
=0.09
0.36×0.25
=0.09×4×0.25
=0.09×1
=0.09
化为0.09×4×0.25
0.36*0.25=0.6*0.6*0.5*0.5=0.6*0.5*0.6*0.5=0.3*0.3=0.09
﹙0.36÷4﹚×﹙0.25×4﹚=0.09