数学题

主页

1.
3 - 13 + 8 = 45 51 8 -2

2.
15 - 14 + 8 = 25 53 15 9

3.
14 - 1 - 20 = 22 27 -7 23

4.
14 + 20 + 0 = 34 44 8 39

5.
8 - 15 + 5 = 26 52 22 -2

6.
9 + 6 - 9 = 42 16 6 15

7.
11 - 8 + 2 = 30 35 39 5

8.
12 + 0 + 19 = 53 31 59 36

9.
6 + 7 - 7 = 54 49 6 9

10.
19 + 15 - 17 = 47 8 1 17