7.看谁算得快.
| 350÷5= | 40÷8= | 100-56= | 180÷6= | 15×4= |
| 73+73= | 400÷5= | 80×7= | 640÷8= | 26×3= |
| 100÷5= | 25×4= | 80×70= | 200÷4= | 44÷4= |
5.商店运来500千克苹果,比运来的梨重$\frac{1}{4}$,苹果比梨重多少千克?列式( )
| A. | 500×$\frac{1}{4}$ | B. | 500÷$\frac{1}{4}$ | C. | 500÷(1-$\frac{1}{4}$) |
4.六年级女生与男生人数的比是10:11,女生占六年级学生总人数的( )
| A. | $\frac{10}{11}$ | B. | $\frac{10}{21}$ | C. | $\frac{11}{21}$ |
3.下列算式中,结果最大的是( )
0 140338 140346 140352 140356 140362 140364 140368 140374 140376 140382 140388 140392 140394 140398 140404 140406 140412 140416 140418 140422 140424 140428 140430 140432 140433 140434 140436 140437 140438 140440 140442 140446 140448 140452 140454 140458 140464 140466 140472 140476 140478 140482 140488 140494 140496 140502 140506 140508 140514 140518 140524 140532 199269
| A. | $\frac{2}{35}$×$\frac{5}{6}$ | B. | $\frac{2}{35}$÷$\frac{1}{6}$ | C. | $\frac{2}{35}$×$\frac{7}{5}$ |