题目内容
直接写得数.
352+198=
+
=
1.03+0.07=
32÷1000=
×
=
0.7:0.25=
解:352+198=550,
+
=
,
1.03+0.07=1.1,
32÷1000=0.032,
×
=
,
0.7:0.25=2.8.
故答案为:550,
,1.1,0.032,
,2.8.
分析:根据整数、分数和小数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后进行计算即可.
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1.03+0.07=1.1,
32÷1000=0.032,

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0.7:0.25=2.8.
故答案为:550,


分析:根据整数、分数和小数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后进行计算即可.

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