直接写上得数  23×30= 2-56= 38×4= 2÷25= 0.28÷0.7= 8.3-6= 0÷48.3= 57-314= 34

2025-06-26 13:15:15
推荐回答(1个)
回答1:

23×30=690 2-
5
6
=1
1
6
3
8
×4=
3
2
2
5
=5
0.28÷0.7=0.4
8.3-6=2.3 0÷48.3=0
5
7
-
3
14
=
1
2
3
4
8
9
=
27
32
160×25%=40
32.4÷31.8≈1 482+313≈800 296×62≈18000 51.2-38.6≈10.