45+3=
30+9=
53+7=
42-5=
67-4=
86-80=
91-5=
28+6=
50+50=
50+5=
70-30=
48+6=
42+50=
35-7=
18+20=
54+40=
33+30=
56-8=
52+20=
65-5=
-30=8
4+54
86-=36
47+=50
+40=60
-=30
47-740
35+945
5+6470
65-4020
3830+8
32-832-6
47-947-8
19+2244-3
14+726-4
①58-29=
②68+28=
③47+22=
④76-27=
⑤39+54=
=
一共掰了多少个玉米?
(个)
两人一共折了多少只纸鹤?
(只)
一辆大巴车比一辆中巴车多载多少人?
(人)
(位)