直接写出得数.3.47+0.53= 4.

2025-05-18 17:26:02
推荐回答(1个)
回答1:

3.47+0.53=4 4.2×0.5=2.1
3
7
÷
14
15
=
45
98
6
5
=
5
2
42-23=8
1
6
×13-
1
6
=2
3
4
×
1
4
÷
3
4
×
1
4
=
1
16
80%×
1
4
=20%