4．计算下列各题
0 159303 159311 159317 159321 159327 159329 159333 159339 159341 159347 159353 159357 159359 159363 159369 159371 159377 159381 159383 159387 159389 159393 159395 159397 159398 159399 159401 159402 159403 159405 159407 159411 159413 159417 159419 159423 159429 159431 159437 159441 159443 159447 159453 159459 159461 159467 159471 159473 159479 159483 159489 159497 199269
| （2$\frac{2}{7}$$+\frac{5}{7}$）×$\frac{1}{6}$ | （6$\frac{3}{5}$-$\frac{1}{2}$）×$\frac{2}{3}$ | 0.625+2$\frac{2}{15}$+0.375 |
| 24×$\frac{5}{36}$-$\frac{3}{8}$ | 25×（1$\frac{2}{5}$-1$\frac{1}{3}$） | 2$\frac{4}{9}$×$1\frac{3}{4}$×$\frac{9}{11}$ |