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口算0.1×10=48÷4.8=31÷1000=1.5+0.25-34=9-19=3.838÷38=710+45=1-56+16=0.5×1.6=13×4÷13×4=

题目详情
口算
0.1×10=
48÷4.8= 31÷1000= 1.5+0.25-
3
4
=
9-
1
9
=
3.838÷38=
7
10
+
4
5
=
1-
5
6
+
1
6
=
0.5×1.6=
1
3
×4÷
1
3
×4=
▼优质解答
答案和解析
0.1×10=1; 48÷4.8=10; 31÷1000=0.031; 1.5+0.25-
3
4
=1;
9-
1
9
= 8
8
9
3.838÷38=0.101;
7
10
+
4
5
=1.5;
1-
5
6
+
1
6
=
1
3
0.5×1.6=0.8;
1
3
×4÷
1
3
×4=16.
故答案为:1,10,0.031,1, 8
8
9
,0.101,1.5,
1
3
,0.8,16.