题目内容

(2012?龙岗区模拟)
直接写出得数.
453+198=
10-0.03= 3.4×
1
10
=
0.1÷0.01=
4×0.025= 13÷
13
15
=
4.5-0.75-
1
4
=
5×4÷5×4=
分析:按运算顺序解答.
解答:
解:453+198=651 10-0.03=9.97 3.4×
1
10
=0.34
0.1÷0.01=10


4×0.025=0.1



故答案为:651,9.97,0.34,10,0.1,15,3.5,16

13÷
13
15
=15
4.5-0.75-
1
4
=3.5
5×4÷5×4=16
点评:按运算顺序解答,能利用规律的可以利用规律简算.
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