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小數(shù)乘法法則: 1)按整數(shù)乘法的法則算出積; 2)再看因數(shù)中一共有幾位小數(shù)，就從得數(shù)的右邊起數(shù)出幾位，點上小數(shù)點。 3)得數(shù)的小數(shù)部分末尾有0，一般要把0去掉。 除數(shù)是小數(shù)的小數(shù)除法法則: 1)先看除數(shù)中有幾位小數(shù)，就把被除數(shù)的小數(shù)點向右移動幾位，數(shù)位不夠的用零補足; 2)然后按照除數(shù)是整數(shù)的小數(shù)除法來除