18.计算($\frac{2}{3}}$)2016×(-$\frac{3}{2}}$)2017的结果是( )
| A. | $\frac{2}{3}$ | B. | $-\frac{2}{3}$ | C. | $\frac{3}{2}$ | D. | $-\frac{3}{2}$ |
14.若x<-2是关于x的一元一次不等式ax-2>0的解集,则关于y的方程ay+2=0的解为( )
| A. | y=1 | B. | y=-1 | C. | y=2 | D. | y=-2 |
10.已知|x|<a,x是整数,若满足条件的值有7个,则a的取值可能是( )
0 295480 295488 295494 295498 295504 295506 295510 295516 295518 295524 295530 295534 295536 295540 295546 295548 295554 295558 295560 295564 295566 295570 295572 295574 295575 295576 295578 295579 295580 295582 295584 295588 295590 295594 295596 295600 295606 295608 295614 295618 295620 295624 295630 295636 295638 295644 295648 295650 295656 295660 295666 295674 366461
| A. | $\sqrt{8}$ | B. | π | C. | $\sqrt{17}$ | D. | 7 |