|
5 |
2 |
|
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
3 |
2 |
2 |
3 |
3 |
2 |
2 |
3 |
3 |
2 |
2 |
3 |
3 |
2 |
2 |
3 |
x3+sinx |
x4+cosx+2 |
A.M+N=0 | B.M-N=0 | C.MN=0 | D.
|
A.y=
| B.y=x3+1,x∈R | ||
C.y=log2|x|,x∈R且x≠0 | D.y=cos2x,x∈R |
A.(0,2) | B.(0,1) | C.(0,
| D.(0,
|
f(x1)+f(x2)+…+f(xn) |
n |
x1+x2+…+xn |
n |
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