□○□=□(本)
口答:小华有□本故事书。
5+4=
10-7 =
8 - 2 =
9 - 5 =
2 + 3 =
9 - 7 =
8 + 2 =
3 + 5 =
7 - 4 =
10 - 8 =
3 + 2 =
9 + 1 =
6 + 3 =
10 - 10 =
4 - 2 =
0 - 0 =
9 - 4 =
10 - 5 =
2 + 7 =
8 - 3 =
7+8-6=
15-9-3=
14-7+5=
13-6+4=
4+9-8=
5+11-7=
10+30> 20+<25
35+<40 46->40
+52<60 54-50>
99读作,43读作:,100读作:。
=6 =8 =9
+ - =
18- = + -