24 |
25 |
2 |
3 |
3 |
2 |
3 |
7 |
1 |
3 |
1 |
2 |
24 |
25 |
1 |
25 |
1 |
25 |
1 |
5 |
4 |
5 |
2 |
3 |
3 |
2 |
3 |
2 |
3 |
2 |
675 |
4 |
3 |
7 |
1 |
3 |
3 |
7 |
1 |
8 |
7 |
3 |
1 |
2 |
A.a6•a2=a12 | B.(a6)2=a8 | C.(a2b)3=a6b3 | D.a6÷a3=a2 |
1 |
4 |
1 |
3 |
A.a4•a3=a12 | B.a6÷a3=a2 | C.a5+a5=2a10 | D.(a3)2=a6 |
A.2-2×(-3.5)=0 | B.(-3)÷(-6)=2 | ||||||
C.1÷(-
| D.(-1
|
3 |
4 |
A.-
| B.
| C.-
| D.
|
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