题目内容

直接填上得数:
①0.6×0.3= ②1÷0.25= ③4.5-1.9= ④0.75+0.25= ⑤8.4÷0.84=
⑥0.05×0.04= ⑦1-0.65= ⑧0.54÷18= ⑨1.25×4= ⑩0.48+0.54=
分析:本题根据小数加法、减法、乘法、除法的运算法则计算即可.
解答:解:
①0.6×0.3=0.18, ②1÷0.25=4, ③4.5-1.9=2.6, ④0.75+0.25=1, ⑤8.4÷0.84=10,
⑥0.05×0.04=0.002, ⑦1-0.65=0.35, ⑧0.54÷18=0.03, ⑨1.25×4=5, ⑩0.48+0.54=1.02.
故答案为:0.18,4,2.6,1,10,0.002,0.35,0.03,5,1.02.
点评:完成小数加减法题目时,要注意小数点的对齐,完成小数乘除法题目时,要注意小数点位置的变化.
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