A.
| B.
| |||||||||
C.a-2=
| D.lg[(-3)•(-5)]=lg(-3)+lg(-5) |
3 | a
| ||
1 |
2 |
1 |
3 |
3 |
2 |
1 |
3 |
3 |
2 |
1 |
3 |
1 |
2 |
a |
lg6 |
lg2 |
1 |
a2 |
1 | ||
|
A.a4•a3=a12 | B.a6÷a3=a2 | C.(a3)2=a5 | D.a3•b3=(a•b)3 |
A.logam•logan=loga(m+n) | ||
B.am•an=amn | ||
C.
| ||
D.
|
1 |
4 |
3 |
5 |
1 |
4 |
1 |
2 |
1 |
100 |
e |
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