- 耗时： 0分0秒
- 题数：
- 得分：
- 690 ÷ 15 + 46 (690 ÷ 15) - 46 >
- 25 × 9 - 19 (25 × 19) - 9 <
- 117 - 64 + 40 (117 + 64) - 40 <
- 861 ÷ 21 - 1 (861 ÷ 21) + 1 <
- 770 ÷ 10 + 70 (770 ÷ 10) - 70 >
- 60 × 6 - 42 (60 × 42) - 6 <
- 36 × 9 - 93 (36 × 93) - 9 <
- 26 × 4 - 46 (26 × 46) - 4 <
- 900 ÷ 30 - 3 (900 ÷ 30) + 3 <
- 67 × 2 + 58 (67 × 58) + 2 <
- 361 ÷ 19 - 1 (361 ÷ 19) + 1 <
- 564 ÷ 12 + 47 (564 ÷ 12) - 47 >
- 93 × 3 + 29 (93 × 29) + 3 <
- 18 × 9 - 27 (18 × 27) - 9 <
- 65 - 42 + 84 (65 + 42) - 84 >
- 89 × 3 + 66 (89 × 66) + 3 <
- 58 × 9 + 38 (58 × 38) + 9 <
- 127 + 10 - 14 127 - 10 + 14 <
- 69 × 6 + 90 (69 × 90) + 6 <
- 638 ÷ 11 + 11 (638 ÷ 11) - 11 >
- 70 × 6 + 72 (70 × 72) + 6 <
- 770 ÷ 10 + 11 (770 ÷ 10) - 11 >
- 14 × 6 + 42 (14 × 42) + 6 <
- 22 × 8 + 80 (22 × 80) + 8 <
- 576 ÷ 16 + 24 (576 ÷ 16) - 24 >
- 336 ÷ 14 - 1 (336 ÷ 14) + 1 <
- 71 × 7 + 91 (71 × 91) + 7 <
- 39 - 60 + 28 (39 + 60) - 28 <
- 653 + 10 - 86 653 - 10 + 86 <
- 92 × 9 - 69 (92 × 69) - 9 <
- 473 - 27 + 76 (473 + 27) - 76 >
- 683 - 88 + 85 (683 + 88) - 85 <
- 861 + 10 - 36 861 - 10 + 36 <
- 112 ÷ 14 - 7 (112 ÷ 14) + 7 <
- 323 + 10 - 69 323 - 10 + 69 <
- 630 ÷ 14 - 15 (630 ÷ 14) + 15 <
- 468 - 63 + 85 (468 + 63) - 85 >
- 864 - 60 + 80 (864 + 60) - 80 >
- 756 ÷ 18 + 21 (756 ÷ 18) - 21 >
- 986 ÷ 29 + 17 (986 ÷ 29) - 17 >
- 13 × 2 + 77 (13 × 77) + 2 <
- 41 × 6 - 79 (41 × 79) - 6 <
- 338 ÷ 13 + 26 (338 ÷ 13) - 26 >
- 957 ÷ 11 - 1 (957 ÷ 11) + 1 <
- 969 - 51 + 76 (969 + 51) - 76 >
- 27 × 6 - 38 (27 × 38) - 6 <
- 651 ÷ 31 - 21 (651 ÷ 31) + 21 <
- 363 + 10 - 68 363 - 10 + 68 <
- 53 × 4 - 59 (53 × 59) - 4 <
- 315 + 10 - 76 315 - 10 + 76 <
- 903 + 10 - 98 903 - 10 + 98 <
- 94 × 8 - 95 (94 × 95) - 8 <
- 370 ÷ 10 + 10 (370 ÷ 10) - 10 >
- 92 × 3 - 10 (92 × 10) - 3 <
- 920 ÷ 46 - 5 (920 ÷ 46) + 5 <
- 835 + 10 - 93 835 - 10 + 93 <
- 938 ÷ 67 + 14 (938 ÷ 67) - 14 >
- 645 - 34 + 20 (645 + 34) - 20 <
- 637 ÷ 13 + 13 (637 ÷ 13) - 13 >
- 930 ÷ 31 + 10 (930 ÷ 31) - 10 >
- 584 + 10 - 94 584 - 10 + 94 <
- 182 ÷ 14 - 7 (182 ÷ 14) + 7 <
- 83 × 9 + 35 (83 × 35) + 9 <
- 552 + 10 - 39 552 - 10 + 39 <
- 79 × 9 + 13 (79 × 13) + 9 <
- 953 + 10 - 93 953 - 10 + 93 <
- 78 + 10 - 41 78 - 10 + 41 <
- 858 ÷ 13 - 1 (858 ÷ 13) + 1 <
- 927 + 10 - 63 927 - 10 + 63 <
- 465 + 10 - 30 465 - 10 + 30 <
- 480 ÷ 20 - 3 (480 ÷ 20) + 3 <
- 996 ÷ 12 + 12 (996 ÷ 12) - 12 >
- 972 - 28 + 42 (972 + 28) - 42 >
- 94 × 6 + 68 (94 × 68) + 6 <
- 14 × 4 + 66 (14 × 66) + 4 <
- 91 × 8 + 56 (91 × 56) + 8 <
- 484 + 10 - 26 484 - 10 + 26 <
- 86 × 1 - 1 (86 × 1) - 1 =
- 49 × 5 + 19 (49 × 19) + 5 <
- 540 ÷ 27 + 18 (540 ÷ 27) - 18 >
- 280 ÷ 10 - 2 (280 ÷ 10) + 2 <
- 880 ÷ 11 + 80 (880 ÷ 11) - 80 >
- 460 ÷ 23 - 20 (460 ÷ 23) + 20 <
- 242 + 10 - 56 242 - 10 + 56 <
- 346 - 73 + 51 (346 + 73) - 51 <
- 99 × 5 - 47 (99 × 47) - 5 <
- 420 ÷ 28 + 12 (420 ÷ 28) - 12 >
- 495 ÷ 11 + 45 (495 ÷ 11) - 45 >
- 347 - 73 + 90 (347 + 73) - 90 >
- 440 ÷ 40 - 10 (440 ÷ 40) + 10 <
- 946 ÷ 11 - 2 (946 ÷ 11) + 2 <
- 250 - 36 + 15 (250 + 36) - 15 <
- 612 ÷ 34 - 17 (612 ÷ 34) + 17 <
- 804 - 14 + 64 (804 + 14) - 64 >
- 684 ÷ 19 + 18 (684 ÷ 19) - 18 >
- 714 ÷ 42 + 17 (714 ÷ 42) - 17 >
- 432 ÷ 18 - 24 (432 ÷ 18) + 24 <
- 50 × 5 - 43 (50 × 43) - 5 <
- 364 + 10 - 38 364 - 10 + 38 <
- 555 - 27 + 96 (555 + 27) - 96 >
- 66 × 1 - 33 (66 × 33) - 1 <
- 19 × 2 + 60 (19 × 60) + 2 <
- 240 ÷ 15 - 4 (240 ÷ 15) + 4 <
- 580 ÷ 10 - 10 (580 ÷ 10) + 10 <
- 594 ÷ 27 + 22 (594 ÷ 27) - 22 >
- 750 ÷ 15 - 5 (750 ÷ 15) + 5 <
- 863 + 10 - 11 863 - 10 + 11 <
- 590 + 10 - 86 590 - 10 + 86 <
- 63 × 6 + 90 (63 × 90) + 6 <
- 660 ÷ 66 - 1 (660 ÷ 66) + 1 <
- 387 + 10 - 77 387 - 10 + 77 <
- 363 - 39 + 10 (363 + 39) - 10 <
- 700 ÷ 35 + 10 (700 ÷ 35) - 10 >
- 891 ÷ 11 - 3 (891 ÷ 11) + 3 <
- 61 × 1 + 90 (61 × 90) + 1 <
- 544 - 52 + 59 (544 + 52) - 59 >
- 71 × 6 - 40 (71 × 40) - 6 <
- 32 × 3 - 89 (32 × 89) - 3 <
- 186 ÷ 62 - 2 (186 ÷ 62) + 2 <
- 28 × 5 + 97 (28 × 97) + 5 <
- 16 × 6 - 82 (16 × 82) - 6 <
- 20 × 3 + 57 (20 × 57) + 3 <
- 830 ÷ 10 - 5 (830 ÷ 10) + 5 <
- 747 + 10 - 54 747 - 10 + 54 <
- 27 × 3 + 55 (27 × 55) + 3 <
- 43 × 4 + 66 (43 × 66) + 4 <
- 672 ÷ 48 - 2 (672 ÷ 48) + 2 <
- 480 ÷ 32 - 5 (480 ÷ 32) + 5 <
- 476 ÷ 17 - 7 (476 ÷ 17) + 7 <
- 820 ÷ 20 + 10 (820 ÷ 20) - 10 >
- 350 ÷ 14 + 10 (350 ÷ 14) - 10 >
- 750 ÷ 15 + 50 (750 ÷ 15) - 50 >
- 462 ÷ 21 - 21 (462 ÷ 21) + 21 <
- 69 × 5 + 79 (69 × 79) + 5 <
- 64 × 1 + 95 (64 × 95) + 1 <
- 85 × 1 - 25 (85 × 25) - 1 <
- 320 + 10 - 16 320 - 10 + 16 <
- 529 - 74 + 89 (529 + 74) - 89 >
- 784 ÷ 14 + 28 (784 ÷ 14) - 28 >
- 879 + 10 - 87 879 - 10 + 87 <
- 829 + 10 - 99 829 - 10 + 99 <
- 400 ÷ 50 - 5 (400 ÷ 50) + 5 <
- 437 - 14 + 73 (437 + 14) - 73 >
- 81 × 1 + 70 (81 × 70) + 1 <
- 92 - 21 + 52 (92 + 21) - 52 >
- 638 ÷ 29 + 11 (638 ÷ 29) - 11 >
- 306 ÷ 51 - 3 (306 ÷ 51) + 3 <
- 703 - 17 + 94 (703 + 17) - 94 >
- 45 × 9 - 10 (45 × 10) - 9 <
- 810 ÷ 18 + 15 (810 ÷ 18) - 15 >
- 924 ÷ 22 - 4 (924 ÷ 22) + 4 <
- 966 ÷ 42 - 3 (966 ÷ 42) + 3 <
- 34 × 3 + 26 (34 × 26) + 3 <
- 696 ÷ 29 + 24 (696 ÷ 29) - 24 >
- 342 ÷ 57 - 6 (342 ÷ 57) + 6 <
- 195 + 10 - 99 195 - 10 + 99 <
- 672 ÷ 21 + 28 (672 ÷ 21) - 28 >
- 396 ÷ 11 + 22 (396 ÷ 11) - 22 >
- 990 ÷ 10 + 15 (990 ÷ 10) - 15 >
- 848 + 10 - 54 848 - 10 + 54 <
- 363 ÷ 11 + 11 (363 ÷ 11) - 11 >
- 644 ÷ 23 + 14 (644 ÷ 23) - 14 >
- 67 × 8 + 74 (67 × 74) + 8 <
- 18 × 7 - 76 (18 × 76) - 7 <
- 616 ÷ 22 - 8 (616 ÷ 22) + 8 <
- 930 ÷ 30 + 31 (930 ÷ 30) - 31 >
- 954 - 21 + 18 (954 + 21) - 18 <
- 912 ÷ 24 - 38 (912 ÷ 24) + 38 <
- 53 - 41 + 12 (53 + 41) - 12 <
- 407 + 10 - 85 407 - 10 + 85 <
- 72 × 5 + 84 (72 × 84) + 5 <
- 720 - 62 + 98 (720 + 62) - 98 >
- 265 - 99 + 89 (265 + 99) - 89 <
- 61 × 6 + 70 (61 × 70) + 6 <
- 320 ÷ 32 - 1 (320 ÷ 32) + 1 <
- 909 + 10 - 32 909 - 10 + 32 <
- 520 ÷ 26 - 2 (520 ÷ 26) + 2 <
- 715 ÷ 13 + 11 (715 ÷ 13) - 11 >
- 42 × 2 - 71 (42 × 71) - 2 <
- 58 × 5 - 36 (58 × 36) - 5 <
- 169 - 31 + 29 (169 + 31) - 29 <
- 34 - 12 + 21 (34 + 12) - 21 >
- 390 ÷ 15 - 3 (390 ÷ 15) + 3 <
- 350 ÷ 14 - 7 (350 ÷ 14) + 7 <
- 792 ÷ 88 - 2 (792 ÷ 88) + 2 <
- 684 ÷ 19 + 19 (684 ÷ 19) - 19 >
- 186 - 25 + 17 (186 + 25) - 17 <
- 924 ÷ 22 - 3 (924 ÷ 22) + 3 <
- 40 × 4 - 87 (40 × 87) - 4 <
- 41 × 4 + 14 (41 × 14) + 4 <
- 826 ÷ 14 + 14 (826 ÷ 14) - 14 >
- 715 ÷ 11 + 65 (715 ÷ 11) - 65 >
- 22 × 9 + 72 (22 × 72) + 9 <
- 86 × 8 + 24 (86 × 24) + 8 <
- 856 + 10 - 12 856 - 10 + 12 <
- 756 ÷ 14 + 28 (756 ÷ 14) - 28 >
- 192 + 10 - 95 192 - 10 + 95 <
- 650 ÷ 26 + 10 (650 ÷ 26) - 10 >
- 39 × 5 + 60 (39 × 60) + 5 <
- 825 ÷ 11 - 25 (825 ÷ 11) + 25 <
- 248 - 61 + 29 (248 + 61) - 29 <
- 522 ÷ 58 - 6 (522 ÷ 58) + 6 <
- 439 + 10 - 90 439 - 10 + 90 <
- 351 ÷ 13 - 13 (351 ÷ 13) + 13 <
- 703 - 34 + 43 (703 + 34) - 43 >
- 197 + 10 - 83 197 - 10 + 83 <
- 49 × 1 + 49 (49 × 49) + 1 <
- 16 × 3 - 5 (16 × 5) - 3 <
- 750 - 83 + 25 (750 + 83) - 25 <
- 36 × 3 - 97 (36 × 97) - 3 <
- 316 - 81 + 47 (316 + 81) - 47 <
- 21 × 6 + 33 (21 × 33) + 6 <
- 79 × 5 - 15 (79 × 15) - 5 <
- 490 - 66 + 81 (490 + 66) - 81 >
- 952 ÷ 68 - 2 (952 ÷ 68) + 2 <
- 13 × 2 + 64 (13 × 64) + 2 <
- 84 × 4 - 53 (84 × 53) - 4 <
- 916 - 22 + 52 (916 + 22) - 52 >
- 84 × 4 + 31 (84 × 31) + 4 <
- 467 + 10 - 71 467 - 10 + 71 <
- 90 × 6 + 65 (90 × 65) + 6 <
- 18 × 8 - 66 (18 × 66) - 8 <
- 516 + 10 - 96 516 - 10 + 96 <
- 675 ÷ 45 + 15 (675 ÷ 45) - 15 >
- 35 × 9 + 70 (35 × 70) + 9 <
- 380 - 16 + 86 (380 + 16) - 86 >
- 686 - 72 + 46 (686 + 72) - 46 <
- 634 - 59 + 56 (634 + 59) - 56 <
- 185 - 32 + 68 (185 + 32) - 68 >
- 640 ÷ 10 + 32 (640 ÷ 10) - 32 >
- 65 × 9 - 39 (65 × 39) - 9 <
- 500 ÷ 20 + 10 (500 ÷ 20) - 10 >
- 876 - 22 + 33 (876 + 22) - 33 >
- 79 × 5 - 1 (79 × 1) - 5 >
- 660 ÷ 33 + 15 (660 ÷ 33) - 15 >
- 832 + 10 - 63 832 - 10 + 63 <
- 16 × 9 - 11 (16 × 11) - 9 <
- 493 + 10 - 52 493 - 10 + 52 <
- 231 - 97 + 78 (231 + 97) - 78 <
- 353 - 62 + 67 (353 + 62) - 67 >
- 171 - 56 + 12 (171 + 56) - 12 <
- 616 ÷ 11 + 44 (616 ÷ 11) - 44 >
- 64 × 8 + 46 (64 × 46) + 8 <
- 570 ÷ 30 + 15 (570 ÷ 30) - 15 >
- 83 × 1 + 22 (83 × 22) + 1 <
- 75 × 2 + 68 (75 × 68) + 2 <
- 46 × 4 + 39 (46 × 39) + 4 <
- 670 ÷ 10 + 10 (670 ÷ 10) - 10 >
- 799 + 10 - 87 799 - 10 + 87 <
- 668 - 65 + 62 (668 + 65) - 62 <
- 676 - 68 + 16 (676 + 68) - 16 <
- 110 + 10 - 72 110 - 10 + 72 <
- 81 × 6 - 48 (81 × 48) - 6 <
- 880 ÷ 10 - 10 (880 ÷ 10) + 10 <
- 72 × 8 + 87 (72 × 87) + 8 <
- 214 + 10 - 18 214 - 10 + 18 <
- 684 ÷ 36 + 12 (684 ÷ 36) - 12 >
- 280 ÷ 20 + 14 (280 ÷ 20) - 14 >
- 44 × 4 + 21 (44 × 21) + 4 <
- 774 ÷ 43 + 18 (774 ÷ 43) - 18 >
- 60 × 9 + 87 (60 × 87) + 9 <
- 858 ÷ 26 + 26 (858 ÷ 26) - 26 >
- 563 + 10 - 59 563 - 10 + 59 <
- 708 ÷ 12 - 59 (708 ÷ 12) + 59 <
- 51 × 7 + 83 (51 × 83) + 7 <
- 74 × 7 - 45 (74 × 45) - 7 <
- 57 × 6 + 10 (57 × 10) + 6 <
- 447 - 49 + 17 (447 + 49) - 17 <
- 65 × 3 + 73 (65 × 73) + 3 <
- 672 ÷ 14 - 24 (672 ÷ 14) + 24 <
- 496 + 10 - 98 496 - 10 + 98 <
- 62 × 3 - 7 (62 × 7) - 3 <
- 462 ÷ 14 + 22 (462 ÷ 14) - 22 >
- 672 ÷ 14 + 32 (672 ÷ 14) - 32 >
- 475 - 93 + 83 (475 + 93) - 83 <
- 568 + 10 - 66 568 - 10 + 66 <
- 492 ÷ 12 - 41 (492 ÷ 12) + 41 <
- 702 ÷ 13 + 27 (702 ÷ 13) - 27 >
- 342 ÷ 18 - 2 (342 ÷ 18) + 2 <
- 97 × 7 + 68 (97 × 68) + 7 <
- 864 ÷ 12 + 18 (864 ÷ 12) - 18 >
- 79 × 7 - 5 (79 × 5) - 7 >
- 46 × 4 - 47 (46 × 47) - 4 <
- 640 + 10 - 41 640 - 10 + 41 <
- 504 ÷ 24 + 21 (504 ÷ 24) - 21 >
- 390 ÷ 10 - 1 (390 ÷ 10) + 1 <
- 497 + 10 - 16 497 - 10 + 16 <
- 969 ÷ 57 - 1 (969 ÷ 57) + 1 <
- 80 × 6 + 36 (80 × 36) + 6 <
- 405 ÷ 81 - 5 (405 ÷ 81) + 5 <
- 575 + 10 - 22 575 - 10 + 22 <
- 75 + 10 - 18 75 - 10 + 18 <
- 57 × 2 - 35 (57 × 35) - 2 <
- 72 - 71 + 62 (72 + 71) - 62 <
- 200 - 70 + 71 (200 + 70) - 71 >
- 800 - 90 + 26 (800 + 90) - 26 <
- 94 × 9 - 55 (94 × 55) - 9 <
- 589 - 72 + 88 (589 + 72) - 88 >
- 270 - 59 + 71 (270 + 59) - 71 >
- 825 ÷ 11 + 11 (825 ÷ 11) - 11 >
- 480 ÷ 12 - 40 (480 ÷ 12) + 40 <
- 31 × 6 + 97 (31 × 97) + 6 <
- 660 ÷ 10 + 10 (660 ÷ 10) - 10 >
- 858 ÷ 13 + 11 (858 ÷ 13) - 11 >
- 274 - 28 + 33 (274 + 28) - 33 >
- 407 + 10 - 70 407 - 10 + 70 <
- 21 × 2 - 2 (21 × 2) - 2 =
- 624 ÷ 48 - 4 (624 ÷ 48) + 4 <
- 693 ÷ 21 + 33 (693 ÷ 21) - 33 >
- 69 × 6 + 92 (69 × 92) + 6 <
- 54 × 9 + 80 (54 × 80) + 9 <
- 82 × 7 + 91 (82 × 91) + 7 <
- 405 - 52 + 92 (405 + 52) - 92 >
- 70 × 6 + 66 (70 × 66) + 6 <
- 26 × 8 - 82 (26 × 82) - 8 <
- 32 × 4 + 45 (32 × 45) + 4 <
- 924 ÷ 77 - 3 (924 ÷ 77) + 3 <
- 570 ÷ 10 + 30 (570 ÷ 10) - 30 >
- 13 × 1 + 19 (13 × 19) + 1 <
- 728 ÷ 26 + 14 (728 ÷ 26) - 14 >
- 300 + 10 - 40 300 - 10 + 40 <
- 84 × 8 + 40 (84 × 40) + 8 <
- 418 + 10 - 52 418 - 10 + 52 <
- 43 × 5 + 24 (43 × 24) + 5 <
- 245 + 10 - 91 245 - 10 + 91 <
- 368 ÷ 16 + 16 (368 ÷ 16) - 16 >
- 96 × 3 + 32 (96 × 32) + 3 <
- 30 × 7 + 29 (30 × 29) + 7 <
- 13 × 1 + 61 (13 × 61) + 1 <
- 35 × 8 - 53 (35 × 53) - 8 <
- 47 × 2 - 18 (47 × 18) - 2 <
- 678 + 10 - 26 678 - 10 + 26 <
- 35 × 5 + 36 (35 × 36) + 5 <
- 450 ÷ 15 + 18 (450 ÷ 15) - 18 >
- 408 ÷ 17 + 17 (408 ÷ 17) - 17 >
- 929 + 10 - 52 929 - 10 + 52 <
- 417 - 62 + 25 (417 + 62) - 25 <
- 854 ÷ 14 + 61 (854 ÷ 14) - 61 >
- 536 + 10 - 83 536 - 10 + 83 <
- 928 ÷ 32 + 16 (928 ÷ 32) - 16 >
- 995 + 10 - 63 995 - 10 + 63 <
- 385 + 10 - 32 385 - 10 + 32 <
- 540 ÷ 30 - 6 (540 ÷ 30) + 6 <
- 53 × 3 - 77 (53 × 77) - 3 <
- 960 ÷ 30 - 2 (960 ÷ 30) + 2 <
- 720 ÷ 20 + 15 (720 ÷ 20) - 15 >
- 793 + 10 - 58 793 - 10 + 58 <
- 98 + 10 - 12 98 - 10 + 12 <
- 332 + 10 - 31 332 - 10 + 31 <
- 77 × 7 + 21 (77 × 21) + 7 <
- 760 - 95 + 56 (760 + 95) - 56 <
- 840 ÷ 14 + 30 (840 ÷ 14) - 30 >
- 50 - 46 + 57 (50 + 46) - 57 >
- 425 + 10 - 20 425 - 10 + 20 <
- 818 + 10 - 64 818 - 10 + 64 <
- 900 ÷ 15 + 36 (900 ÷ 15) - 36 >
- 949 - 46 + 12 (949 + 46) - 12 <
- 270 ÷ 90 - 1 (270 ÷ 90) + 1 <
- 660 ÷ 10 + 10 (660 ÷ 10) - 10 >
- 726 ÷ 33 - 1 (726 ÷ 33) + 1 <
- 818 + 10 - 29 818 - 10 + 29 <
- 740 ÷ 74 + 10 (740 ÷ 74) - 10 >
- 728 ÷ 52 - 13 (728 ÷ 52) + 13 <
- 711 + 10 - 85 711 - 10 + 85 <
- 459 + 10 - 42 459 - 10 + 42 <
- 440 ÷ 11 + 10 (440 ÷ 11) - 10 >
- 89 × 8 - 66 (89 × 66) - 8 <
- 680 - 61 + 53 (680 + 61) - 53 <
- 648 ÷ 12 - 4 (648 ÷ 12) + 4 <
- 810 ÷ 15 + 10 (810 ÷ 15) - 10 >
- 87 - 83 + 40 (87 + 83) - 40 <
- 480 ÷ 20 - 5 (480 ÷ 20) + 5 <
- 27 × 6 - 11 (27 × 11) - 6 <
- 507 + 10 - 34 507 - 10 + 34 <
- 57 × 5 - 74 (57 × 74) - 5 <
- 490 - 95 + 91 (490 + 95) - 91 <
- 26 × 5 - 25 (26 × 25) - 5 <
- 513 ÷ 57 - 9 (513 ÷ 57) + 9 <
- 319 ÷ 11 - 1 (319 ÷ 11) + 1 <
- 455 ÷ 35 - 5 (455 ÷ 35) + 5 <
※总分：100分， 共计：380道题， 每题：0.26 分。