(答え) |
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(1) |
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|
÷ |
|
= |
|
× |
|
= |
1 |
= |
|
11 |
11 |
11 |
13 |
11×13 |
13 |
|
|
|
|
|
|
15 |
13 |
15 |
11 |
15×11 |
15 |
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|
|
|
1 |
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|
(2) |
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|
÷ |
|
= |
|
× |
|
= |
2 2 |
= |
|
= |
1 |
|
10 |
15 |
10 |
26 |
10×26 |
4 |
1 |
|
|
|
|
|
|
|
13 |
26 |
13 |
15 |
13×15 |
3 |
3 |
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|
|
1 3 |
|
|
|
(3) |
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|
÷ |
|
= |
|
× |
|
= |
2 4 |
= |
|
14 |
21 |
14 |
44 |
14×44 |
8 |
|
|
|
|
|
|
33 |
44 |
33 |
21 |
33×21 |
9 |
|
|
|
|
3 3 |
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(4) |
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÷ |
|
= |
|
× |
|
= |
5 4 |
= |
|
35 |
63 |
35 |
64 |
35×64 |
20 |
|
|
|
|
|
|
48 |
64 |
48 |
63 |
48×63 |
27 |
|
|
|
|
3 9 |
|
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(5) |
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|
÷ |
|
= |
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× |
|
= |
5 7 |
= |
|
25 |
45 |
25 |
56 |
25×56 |
35 |
|
|
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|
|
72 |
56 |
72 |
45 |
72×45 |
81 |
|
|
|
|
9 9 |
|
|
(6) |
|
|
÷ |
|
= |
|
× |
|
= |
3 3 |
= |
|
51 |
34 |
51 |
39 |
51×39 |
9 |
|
|
|
|
|
|
65 |
39 |
65 |
34 |
65×34 |
10 |
|
|
|
|
5 2 |
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|
(7) |
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÷ |
|
= |
|
× |
|
= |
11 13 |
= |
|
55 |
75 |
55 |
91 |
55×91 |
143 |
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|
84 |
91 |
84 |
75 |
84×75 |
180 |
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|
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|
12 15 |
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(8) |
|
|
÷ |
|
= |
|
× |
|
= |
1 4 |
= |
|
19 |
95 |
19 |
96 |
19×96 |
4 |
|
|
|
|
|
|
72 |
96 |
72 |
95 |
72×95 |
15 |
|
|
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|
3 5 |
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(9) |
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|
÷ |
|
= |
|
× |
|
= |
13 3 |
= |
|
= |
1 |
|
26 |
62 |
26 |
87 |
26×87 |
39 |
8 |
|
|
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|
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|
29 |
87 |
29 |
62 |
29×62 |
31 |
31 |
|
|
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|
1 31 |
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(10) |
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|
÷ |
|
= |
|
× |
|
= |
46 |
= |
|
= |
1 |
|
71 |
83 |
71 |
92 |
71×92 |
3266 |
195 |
|
|
|
|
|
|
|
74 |
92 |
74 |
83 |
74×83 |
3071 |
3071 |
|
|
|
|
37 |
|
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(注) 文字や記号がずれる場合は、更新を押してください。何度か押せば正しい位置になります。 |
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