17.下面各数中,与$\frac{10}{15}$大小相等的是( )
A. | 0.$\stackrel{•}{6}$ | B. | $\frac{3}{4}$ | C. | $\frac{9}{24}$ |
16.下面说法正确的是( )
A. | 因为$\frac{3}{12}$=$\frac{1}{4}$,所以$\frac{3}{12}$的分数单位是$\frac{1}{4}$ | |
B. | 分母是9的最简真分数有6个 | |
C. | 有限小数都可以写成分母是10、100、1000…的分数 |
13.在横线填上“>”“<”或“=”
0 156414 156422 156428 156432 156438 156440 156444 156450 156452 156458 156464 156468 156470 156474 156480 156482 156488 156492 156494 156498 156500 156504 156506 156508 156509 156510 156512 156513 156514 156516 156518 156522 156524 156528 156530 156534 156540 156542 156548 156552 156554 156558 156564 156570 156572 156578 156582 156584 156590 156594 156600 156608 199269
$\frac{6}{11}$>$\frac{4}{11}$ | $\frac{5}{9}$>$\frac{5}{12}$ | $\frac{4}{5}$<1$\frac{1}{3}$ |
$\frac{6}{5}$>$\frac{8}{8}$ | $\frac{3}{4}$<$\frac{4}{5}$ | $\frac{7}{12}$<$\frac{11}{18}$ |