早教吧 育儿知识 作业答案 考试题库 百科 知识分享

口算72.5+37.5=8.09-4.16=1.25×8=4÷80=33.7-2.69=5.82+0.2=0.25×0.4=15.6÷4=0.3+710=45-0.1=25+35=89-29=12+13=34+18=15-110=56-518=0.9-910=0.8+14=0.9+17=19-0.1=

题目详情
口算
72.5+37.5=

8.09-4.16=

1.25×8=

4÷80=
33.7-2.69=5.82+0.2=0.25×0.4=15.6÷4=
0.3+
7
10
=
4
5
-0.1=
2
5
+
3
5
=
8
9
-
2
9
=
1
2
+
1
3
=
3
4
+
1
8
=
1
5
-
1
10
=
5
6
-
5
18
=
0.9-
9
10
=
0.8+
1
4
=
0.9+
1
7
=
1
9
-0.1=
▼优质解答
答案和解析
72.5+37.5=110
8.09-4.16=3.93

1.25×8=100

4÷80=0.05
33.7-2.69=31.015.82+0.2=6.020.25×0.4=0.115.6÷4=3.9
0.3+
7
10
=1
4
5
-0.1=0.7
2
5
+
3
5
=1
8
9
-
2
9
=
2
3
1
2
+
1
3
=
5
6
3
4
+
1
8
=
7
8
1
5
-
1
10
=0.1
5
6
-
5
18
=
5
9
0.9-
9
10
=0
0.8+
1
4
=1.05
0.9+
1
7
=
73
70
1
9
-0.1=
1
90