+3=10
问题:
列式:
4 + 3 =
10 - 2 =
12 - 7 =
7 + 9 =
14 + 5 =
10 - 6 - 0 =
11 + 6 + 2 =
8 - 3 + 9 =
19 - 10 - 5 =
(条)
(只)
(人)