一年级口算题卡第二册第38页
11+23= 34
15-5= 10
8+6= 14
9+30= 39
21+21=42
28+7= 35
24-8=26
42+2=44
11+13=24
34+16=50
14+10=24
31-2= 29
13+17= 30
23-3= 20
14-2= 12
17-6= 11
8+12= 20
15-5= 10
8+6= 14
9+30= 39
21+21=42
28+7= 35
24-8=26
42+2=44
11+13=24
34+16=50
14+10=24
31-2= 29
13+17= 30
23-3= 20
14-2= 12
17-6= 11
8+12= 20