1 |
3-|x| |
1 |
|x-3| |
1 |
3-|x| |
1 |
|x-3| |
1 |
3+x |
1 |
x-3 |
x-3+x+3 |
x2-9 |
2x |
x2-9 |
2x |
x2-9 |
a2-2ax+x2 |
a2+2ax+x2 |
A.2a | B.2x | C.-2a | D.-2x |
(1-a)2 |
1 |
m+3 |
A.1 | B.2 | C.3 | D.4 |
a |
|a| |
b |
|b| |
c |
|c| |
|ab| |
ab |
|ac| |
ac |
|bc| |
bc |
A.a>0 | B.a<0 | C.a>-1 | D.-1<a<0 |
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