二年级数学上进位加法退位减法竖式计算
subsequently-
请竖式计算:
60
-
32
=
43+19
=
2+24
=
17+33
=
28-7
=
52-52
=
88-80
=
36-7
=
29-8
=
53-8
=
26+5
=
60+13
=
52-0
=
88-8
=
26+14
=
17-8
=
23-7
=
70-5
=
13-8
=
80-9
=
88+8
=
23-7
=
11-2
=
32+9
=
42-4
=
20+50
=
80+9
=
8+80
=
29-13
=
37+4
=
48-9
=
44-4
=
81+7
=
99-9
=
87-8
=