题目内容

(2013?福田区模拟)
口算:
0.125×16=
3-1.06= 0.6÷6= 16.8-7=
1.01×0.2×0.1= 11-1
2
3
=
1
3
4
+1
3
4
=
9
7
8
-9.875=
3.14×8=
1
5
-
1
6
=
2
1
5
-1
4
5
=
2
1
8
÷4
1
8
=
1.625÷1
5
8
=
7
2
3
-0=
0.1+0.2×0.3=
1
6
+
1
6
÷
1
6
+
1
6
=
分析:根据小数、分数的加减乘除计算的方法进行计算,能简算的要简算.
解答:
解:0.125×16=2 3-1.06=1.94 0.6÷6=0.1 16.8-7=9.8
1.01×0.2×0.1=0.0202 11-1
2
3
=9
1
3
1
3
4
+1
3
4
=3
1
2
9
7
8
-9.875=0
3.14×8=25.12
1
5
-
1
6
=
1
30
2
1
5
-1
4
5
=
2
5
2
1
8
÷4
1
8
=
17
33
1.625÷1
5
8
=1
7
2
3
-0=7
2
3
0.1+0.2×0.3=0.16
1
6
+
1
6
÷
1
6
+
1
6
=1
1
3
故答案为:2,1.94,0.1,9.8,0.0202,9
1
3
,3
1
2
,0,25.12,
1
30
2
5
17
33
,1,7
2
3
,0.16,1
1
3
点评:计算时,要灵活运用所学的知识,快速准确的进行计算.
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