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口算.8×34=112×48=19×325=47÷2=2-13=34-12=58×45=35÷310=130×56×30=12×14÷12×14=

题目详情
口算.
3
4
=
1
12
×48=
1
9
×
3
25
=
4
7
÷2=
2-
1
3
=
3
4
-
1
2
=
5
8
×
4
5
=
3
5
÷
3
10
=
1
30
×
5
6
×30=
1
2
×
1
4
÷
1
2
×
1
4
=
▼优质解答
答案和解析
3
4
=6
1
12
×48=4
1
9
×
3
25
=
3
25
4
7
÷2=
2
7
2-
1
3
=1
1
3
3
4
-
1
2
=
1
4
5
8
×
4
5
=
1
2
3
5
÷
3
10
=2
1
30
×
5
6
×30=
5
6
1
2
×
1
4
÷
1
2
×
1
4
=
1
16