| (答え) |
| |
|
|
| (1) |
|
| 13 |
- |
11 |
= |
39-22 |
= |
17 |
|
|
|
|
| 16 |
24 |
48 |
48 |
|
| (2) |
|
| 17 |
- |
19 |
= |
51-38 |
= |
13 |
|
|
|
|
| 18 |
27 |
54 |
54 |
|
(3) |
|
| 13 |
- |
18 |
= |
65-54 |
= |
11 |
|
|
|
|
| 15 |
25 |
75 |
75 |
|
| (4) |
|
| 19 |
- |
13 |
= |
57-52 |
= |
5 |
|
|
|
|
| 32 |
24 |
96 |
96 |
|
| (5) |
|
| 37 |
- |
13 |
= |
74-65 |
= |
9 |
|
|
|
|
| 40 |
16 |
80 |
80 |
|
| (6) |
|
| 19 |
- |
16 |
= |
57-32 |
= |
25 |
= |
5 |
|
|
|
|
|
| 30 |
45 |
90 |
90 |
18 |
|
| (7) |
|
| 15 |
- |
16 |
= |
45-32 |
= |
13 |
= |
1 |
|
|
|
|
|
| 26 |
39 |
78 |
78 |
6 |
|
| (8) |
|
| 13 |
- |
22 |
= |
65-44 |
= |
21 |
= |
7 |
|
|
|
|
|
| 18 |
45 |
90 |
90 |
30 |
|
| (9) |
|
| 27 |
- |
23 |
= |
81-46 |
= |
35 |
= |
5 |
|
|
|
|
|
| 28 |
42 |
84 |
84 |
12 |
|
| (10) |
|
| 31 |
- |
11 |
= |
62-55 |
= |
7 |
= |
1 |
|
|
|
|
|
| 35 |
14 |
70 |
70 |
10 |
|
| |
|
|
| |
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