1. $9 - 5 = $
4
$3 + 4 = $
7
$10 + 4 = $
14
$2 + 7 - 1 = $
8
$7 + 3 = $
10
$6 + 10 = $
16
$18 - 8 = $
10
$19 - 2 - 4 = $
13
$7 - 4 = $
3
$16 + 2 = $
18
$2 + 5 = $
7
$13 - 10 + 3 = $
6
$3 + 15 = $
18
$9 + 1 = $
10
$15 - 5 = $
10
$4 + 6 + 3 = $
13
$9 - 2 = $
7
$8 + 2 = $
10
$5 + 5 = $
10
$7 - 2 + 3 = $
8
$9 + 0 = $
9
$12 + 4 = $
16
$16 - 5 = $
11
$6 - 4 + 8 = $
10
$13 - 1 = $
12
$2 + 15 = $
17
$1 + 8 = $
9
$17 - 7 - 7 = $
3
$7 + 1 = $
8
$8 - 6 = $
2
$10 - 0 = $
10
$5 + 4 - 3 = $
6
答案：4 7 14 8 10 16 10 13 3 18 7 6 18 10 10 13 7 10 10 8 9 16 11 10 12 17 9 3 8 2 10 6
3. 在最高的下面画“√”,最矮的下面画“○”。(2分)
( ) (
√
) (
○
)
答案：( )(√)(○)
