△y |
△x |
1 |
3 |
lim |
h→0 |
f(a+3h)-f(a) |
h |
A.0个 | B.1个 | C.2个 | D.3个 |
△y |
△x |
v |
t |
1 |
3 |
lim |
n→∞ |
f(a+3h)-f(a) |
h |
1 |
3 |
lim |
n→∞ |
f(a+3h)-f(a) |
3h |
lim |
n→∞ |
f(a+3h)-f(a) |
3h |
A.0个 | B.1个 | C.2个 | D.3个 |
1 |
4 |
1 |
8 |
5 |
11 |
7 |
13 |
7 |
8 |
1 |
4 |
A.若a>b,则
| B.若a>b,c>d则a-c>b-d | ||||
C.若a3>b3,则a>b | D.若a2>b2,则a>b |
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