|
p(p-a)(p-b)(p-c) |
a+b+c |
2 |
|
1 |
2 |
52(72-11) |
5 |
2 |
48 |
3 |
1 |
2 |
10(10-5)(10-7)(10-8) |
10×5×3×2 |
3 |
1 |
4 |
a2+b2-c2 |
2 |
1 |
4 |
4a2b2 |
4 |
(a2+b2) 2-2(a2+b2)• c2+(c2) 2 |
4 |
1 |
16 |
1 |
16 |
1 |
16 |
|
p(p-a)(p-b)(p-c) |
1
|
2
|
1
|
2 |
3 |
9a |
|
|
|
3 |
2 |
2 |
3 |
6 |
. |
| . |
. |
| . |
. |
| . |
. |
| . |
. |
| . |
0.5 |
| ||
2 |
50 |
48 |
|
3 |
5 |
x |
y |
x |
y |
6 |
25 |
(-3)2 |
2 |
12 |
18 |
3 |
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