( )
4-( )=2
6-( )=3
8-( )=4
10-( )=5
12-( )=6
14-( )=7
16-( )=8
18-( )=9
20-( )=10
12-( )=4
15-( )=7
11-( )=9
13-( )=6
17-( )=8
13-( )=9
63-7= 73-8= 65-6= 47+30=
38-13= 28+50= 49+20= 19-6=
20+43= 48-30= 65-60= 35+8=
25+(42-30)= 90-50+42= 85-(45-5)= 40+6+20=
故事书有多少本?在你认为合适的答案下面画√。
35
10
110
95
写作读作