- 耗时： 0分0秒
- 题数：
- 得分：
- 720 ÷ 12 + 16 (720 ÷ 12) - 16 >
- 784 ÷ 14 - 56 (784 ÷ 14) + 56 <
- 59 - 28 + 79 (59 + 28) - 79 >
- 716 + 10 - 53 716 - 10 + 53 <
- 873 - 50 + 26 (873 + 50) - 26 <
- 572 ÷ 22 + 11 (572 ÷ 22) - 11 >
- 652 - 97 + 20 (652 + 97) - 20 <
- 75 × 7 + 24 (75 × 24) + 7 <
- 79 × 4 - 7 (79 × 7) - 4 <
- 270 ÷ 30 - 5 (270 ÷ 30) + 5 <
- 12 × 4 + 37 (12 × 37) + 4 <
- 770 + 10 - 93 770 - 10 + 93 <
- 203 + 10 - 84 203 - 10 + 84 <
- 788 - 30 + 88 (788 + 30) - 88 >
- 926 + 10 - 93 926 - 10 + 93 <
- 835 + 10 - 35 835 - 10 + 35 <
- 14 × 3 + 76 (14 × 76) + 3 <
- 99 × 1 - 34 (99 × 34) - 1 <
- 864 ÷ 32 - 4 (864 ÷ 32) + 4 <
- 810 ÷ 45 - 3 (810 ÷ 45) + 3 <
- 39 × 4 - 29 (39 × 29) - 4 <
- 39 × 4 - 99 (39 × 99) - 4 <
- 59 × 7 - 46 (59 × 46) - 7 <
- 396 + 10 - 55 396 - 10 + 55 <
- 263 - 90 + 25 (263 + 90) - 25 <
- 806 ÷ 13 + 26 (806 ÷ 13) - 26 >
- 931 ÷ 19 - 19 (931 ÷ 19) + 19 <
- 570 ÷ 38 + 15 (570 ÷ 38) - 15 >
- 975 ÷ 25 + 39 (975 ÷ 25) - 39 >
- 814 ÷ 37 + 22 (814 ÷ 37) - 22 >
- 632 + 10 - 40 632 - 10 + 40 <
- 177 - 18 + 71 (177 + 18) - 71 >
- 665 ÷ 35 + 19 (665 ÷ 35) - 19 >
- 616 ÷ 11 - 11 (616 ÷ 11) + 11 <
- 104 + 10 - 82 104 - 10 + 82 <
- 40 × 4 + 20 (40 × 20) + 4 <
- 48 × 3 + 20 (48 × 20) + 3 <
- 217 + 10 - 15 217 - 10 + 15 <
- 66 × 5 + 32 (66 × 32) + 5 <
- 385 + 10 - 48 385 - 10 + 48 <
- 468 ÷ 36 - 13 (468 ÷ 36) + 13 <
- 351 + 10 - 56 351 - 10 + 56 <
- 847 ÷ 11 + 11 (847 ÷ 11) - 11 >
- 440 ÷ 22 - 1 (440 ÷ 22) + 1 <
- 497 + 10 - 37 497 - 10 + 37 <
- 84 × 2 + 22 (84 × 22) + 2 <
- 56 × 9 - 22 (56 × 22) - 9 <
- 840 ÷ 84 - 7 (840 ÷ 84) + 7 <
- 129 - 64 + 41 (129 + 64) - 41 <
- 600 ÷ 15 + 15 (600 ÷ 15) - 15 >
- 86 × 3 - 61 (86 × 61) - 3 <
- 460 ÷ 20 + 20 (460 ÷ 20) - 20 >
- 395 + 10 - 20 395 - 10 + 20 <
- 468 ÷ 18 + 18 (468 ÷ 18) - 18 >
- 61 × 8 - 78 (61 × 78) - 8 <
- 437 ÷ 23 + 19 (437 ÷ 23) - 19 >
- 98 × 3 - 1 (98 × 1) - 3 >
- 760 ÷ 19 + 40 (760 ÷ 19) - 40 >
- 43 × 6 + 17 (43 × 17) + 6 <
- 457 + 10 - 75 457 - 10 + 75 <
- 11 × 7 + 96 (11 × 96) + 7 <
- 875 ÷ 35 + 25 (875 ÷ 35) - 25 >
- 92 × 7 + 92 (92 × 92) + 7 <
- 447 - 32 + 19 (447 + 32) - 19 <
- 52 × 5 + 53 (52 × 53) + 5 <
- 709 + 10 - 45 709 - 10 + 45 <
- 960 + 10 - 48 960 - 10 + 48 <
- 69 × 8 - 69 (69 × 69) - 8 <
- 68 × 9 + 95 (68 × 95) + 9 <
- 432 ÷ 24 + 16 (432 ÷ 24) - 16 >
- 128 - 76 + 89 (128 + 76) - 89 >
- 532 ÷ 28 + 14 (532 ÷ 28) - 14 >
- 138 - 69 + 72 (138 + 69) - 72 >
- 664 + 10 - 34 664 - 10 + 34 <
- 86 × 5 + 53 (86 × 53) + 5 <
- 621 - 47 + 54 (621 + 47) - 54 >
- 110 + 10 - 51 110 - 10 + 51 <
- 56 × 5 + 32 (56 × 32) + 5 <
- 774 ÷ 43 + 18 (774 ÷ 43) - 18 >
- 885 + 10 - 15 885 - 10 + 15 <
- 65 × 1 + 96 (65 × 96) + 1 <
- 378 ÷ 14 + 14 (378 ÷ 14) - 14 >
- 961 + 10 - 37 961 - 10 + 37 <
- 450 ÷ 10 - 6 (450 ÷ 10) + 6 <
- 75 + 10 - 74 75 - 10 + 74 <
- 320 ÷ 20 + 10 (320 ÷ 20) - 10 >
- 683 + 10 - 61 683 - 10 + 61 <
- 945 ÷ 21 + 35 (945 ÷ 21) - 35 >
- 990 ÷ 18 + 18 (990 ÷ 18) - 18 >
- 182 - 92 + 50 (182 + 92) - 50 <
- 49 × 2 + 34 (49 × 34) + 2 <
- 340 ÷ 20 + 10 (340 ÷ 20) - 10 >
- 924 ÷ 12 - 7 (924 ÷ 12) + 7 <
- 842 + 10 - 16 842 - 10 + 16 <
- 910 + 10 - 35 910 - 10 + 35 <
- 756 ÷ 42 + 12 (756 ÷ 42) - 12 >
- 604 - 39 + 53 (604 + 39) - 53 >
- 492 + 10 - 56 492 - 10 + 56 <
- 680 - 34 + 42 (680 + 34) - 42 >
- 800 ÷ 80 - 2 (800 ÷ 80) + 2 <
- 257 + 10 - 97 257 - 10 + 97 <
- 115 + 10 - 71 115 - 10 + 71 <
- 713 - 34 + 63 (713 + 34) - 63 >
- 23 × 8 - 33 (23 × 33) - 8 <
- 67 × 3 - 59 (67 × 59) - 3 <
- 816 ÷ 17 + 34 (816 ÷ 17) - 34 >
- 47 × 7 + 28 (47 × 28) + 7 <
- 480 ÷ 15 - 3 (480 ÷ 15) + 3 <
- 571 - 38 + 78 (571 + 38) - 78 >
- 720 ÷ 20 - 18 (720 ÷ 20) + 18 <
- 883 - 51 + 85 (883 + 51) - 85 >
- 22 × 9 + 70 (22 × 70) + 9 <
- 571 - 81 + 22 (571 + 81) - 22 <
- 656 + 10 - 82 656 - 10 + 82 <
- 239 - 48 + 17 (239 + 48) - 17 <
- 91 × 3 + 49 (91 × 49) + 3 <
- 29 × 5 - 1 (29 × 1) - 5 >
- 662 + 10 - 17 662 - 10 + 17 <
- 703 ÷ 19 + 37 (703 ÷ 19) - 37 >
- 129 + 10 - 23 129 - 10 + 23 <
- 31 × 9 - 43 (31 × 43) - 9 <
- 488 ÷ 61 - 8 (488 ÷ 61) + 8 <
- 999 ÷ 27 + 27 (999 ÷ 27) - 27 >
- 540 ÷ 20 + 10 (540 ÷ 20) - 10 >
- 71 × 8 + 65 (71 × 65) + 8 <
- 68 × 4 + 78 (68 × 78) + 4 <
- 649 ÷ 11 + 11 (649 ÷ 11) - 11 >
- 93 × 5 - 19 (93 × 19) - 5 <
- 420 ÷ 28 + 12 (420 ÷ 28) - 12 >
- 490 ÷ 14 - 5 (490 ÷ 14) + 5 <
- 420 ÷ 70 - 5 (420 ÷ 70) + 5 <
- 28 × 4 - 42 (28 × 42) - 4 <
- 454 + 10 - 74 454 - 10 + 74 <
- 182 ÷ 13 - 7 (182 ÷ 13) + 7 <
- 676 - 95 + 60 (676 + 95) - 60 <
- 69 × 4 - 11 (69 × 11) - 4 <
- 79 × 5 - 42 (79 × 42) - 5 <
- 980 ÷ 14 + 28 (980 ÷ 14) - 28 >
- 514 - 12 + 28 (514 + 12) - 28 >
- 594 - 92 + 13 (594 + 92) - 13 <
- 82 - 46 + 77 (82 + 46) - 77 >
- 48 × 4 + 11 (48 × 11) + 4 <
- 402 + 10 - 74 402 - 10 + 74 <
- 61 × 6 + 57 (61 × 57) + 6 <
- 984 ÷ 41 - 8 (984 ÷ 41) + 8 <
- 727 + 10 - 79 727 - 10 + 79 <
- 598 + 10 - 78 598 - 10 + 78 <
- 137 + 10 - 45 137 - 10 + 45 <
- 581 - 75 + 49 (581 + 75) - 49 <
- 462 ÷ 14 + 14 (462 ÷ 14) - 14 >
- 82 × 3 - 58 (82 × 58) - 3 <
- 840 ÷ 14 - 30 (840 ÷ 14) + 30 <
- 118 + 10 - 65 118 - 10 + 65 <
- 53 × 7 + 99 (53 × 99) + 7 <
- 675 ÷ 25 + 15 (675 ÷ 25) - 15 >
- 168 ÷ 42 - 2 (168 ÷ 42) + 2 <
- 989 ÷ 23 + 23 (989 ÷ 23) - 23 >
- 713 + 10 - 76 713 - 10 + 76 <
- 996 + 10 - 21 996 - 10 + 21 <
- 690 ÷ 23 + 23 (690 ÷ 23) - 23 >
- 66 × 4 - 94 (66 × 94) - 4 <
- 495 ÷ 11 + 45 (495 ÷ 11) - 45 >
- 468 ÷ 13 - 4 (468 ÷ 13) + 4 <
- 857 + 10 - 20 857 - 10 + 20 <
- 96 × 7 - 10 (96 × 10) - 7 <
- 63 × 8 - 20 (63 × 20) - 8 <
- 624 ÷ 12 + 16 (624 ÷ 12) - 16 >
- 858 ÷ 13 - 11 (858 ÷ 13) + 11 <
- 195 - 52 + 49 (195 + 52) - 49 <
- 972 - 84 + 67 (972 + 84) - 67 <
- 392 ÷ 14 + 28 (392 ÷ 14) - 28 >
- 772 - 44 + 71 (772 + 44) - 71 >
- 19 × 6 - 4 (19 × 4) - 6 >
- 72 - 67 + 78 (72 + 67) - 78 >
- 21 - 29 + 32 (21 + 29) - 32 >
- 108 - 21 + 29 (108 + 21) - 29 >
- 98 × 9 + 38 (98 × 38) + 9 <
- 89 × 1 - 37 (89 × 37) - 1 <
- 714 ÷ 42 - 14 (714 ÷ 42) + 14 <
- 40 × 6 + 17 (40 × 17) + 6 <
- 923 + 10 - 39 923 - 10 + 39 <
- 333 + 10 - 79 333 - 10 + 79 <
- 237 + 10 - 45 237 - 10 + 45 <
- 63 × 1 + 29 (63 × 29) + 1 <
- 84 × 6 + 82 (84 × 82) + 6 <
- 14 × 4 + 66 (14 × 66) + 4 <
- 714 ÷ 14 + 17 (714 ÷ 14) - 17 >
- 698 - 78 + 49 (698 + 78) - 49 <
- 810 ÷ 18 + 45 (810 ÷ 18) - 45 >
- 644 ÷ 92 - 4 (644 ÷ 92) + 4 <
- 840 ÷ 20 - 12 (840 ÷ 20) + 12 <
- 980 - 88 + 50 (980 + 88) - 50 <
- 927 + 10 - 96 927 - 10 + 96 <
- 135 + 10 - 17 135 - 10 + 17 <
- 330 ÷ 11 - 3 (330 ÷ 11) + 3 <
- 223 + 10 - 40 223 - 10 + 40 <
- 851 - 51 + 13 (851 + 51) - 13 <
- 864 ÷ 18 + 32 (864 ÷ 18) - 32 >
- 522 ÷ 58 - 1 (522 ÷ 58) + 1 <
- 62 × 3 + 54 (62 × 54) + 3 <
- 55 × 8 - 62 (55 × 62) - 8 <
- 800 ÷ 20 + 10 (800 ÷ 20) - 10 >
- 496 ÷ 16 + 31 (496 ÷ 16) - 31 >
- 496 ÷ 62 - 4 (496 ÷ 62) + 4 <
- 38 × 2 - 26 (38 × 26) - 2 <
- 825 ÷ 11 - 5 (825 ÷ 11) + 5 <
- 833 + 10 - 10 833 - 10 + 10 =
- 725 ÷ 29 + 25 (725 ÷ 29) - 25 >
- 311 - 47 + 15 (311 + 47) - 15 <
- 732 ÷ 61 - 2 (732 ÷ 61) + 2 <
- 308 ÷ 28 - 2 (308 ÷ 28) + 2 <
- 744 ÷ 24 - 3 (744 ÷ 24) + 3 <
- 371 + 10 - 55 371 - 10 + 55 <
- 506 ÷ 11 + 11 (506 ÷ 11) - 11 >
- 35 × 1 + 13 (35 × 13) + 1 <
- 278 - 31 + 28 (278 + 31) - 28 <
- 111 + 10 - 60 111 - 10 + 60 <
- 663 + 10 - 65 663 - 10 + 65 <
- 56 × 9 + 63 (56 × 63) + 9 <
- 840 ÷ 35 + 20 (840 ÷ 35) - 20 >
- 620 + 10 - 29 620 - 10 + 29 <
- 43 × 6 + 70 (43 × 70) + 6 <
- 21 × 5 - 75 (21 × 75) - 5 <
- 58 × 7 + 84 (58 × 84) + 7 <
- 840 ÷ 14 + 10 (840 ÷ 14) - 10 >
- 756 ÷ 18 - 28 (756 ÷ 18) + 28 <
- 80 × 6 - 40 (80 × 40) - 6 <
- 17 × 7 + 74 (17 × 74) + 7 <
- 825 + 10 - 44 825 - 10 + 44 <
- 574 - 20 + 47 (574 + 20) - 47 >
- 855 + 10 - 88 855 - 10 + 88 <
- 55 × 3 + 54 (55 × 54) + 3 <
- 499 - 97 + 64 (499 + 97) - 64 <
- 24 × 8 - 68 (24 × 68) - 8 <
- 97 × 7 + 47 (97 × 47) + 7 <
- 887 - 93 + 91 (887 + 93) - 91 <
- 72 × 7 - 16 (72 × 16) - 7 <
- 142 - 15 + 51 (142 + 15) - 51 >
- 44 × 8 - 45 (44 × 45) - 8 <
- 26 × 7 - 9 (26 × 9) - 7 <
- 900 ÷ 30 - 1 (900 ÷ 30) + 1 <
- 411 + 10 - 88 411 - 10 + 88 <
- 336 - 18 + 27 (336 + 18) - 27 >
- 840 ÷ 30 - 15 (840 ÷ 30) + 15 <
- 975 ÷ 65 - 15 (975 ÷ 65) + 15 <
- 254 + 10 - 67 254 - 10 + 67 <
- 450 ÷ 25 - 9 (450 ÷ 25) + 9 <
- 55 × 5 + 98 (55 × 98) + 5 <
- 150 + 10 - 83 150 - 10 + 83 <
- 598 - 53 + 38 (598 + 53) - 38 <
- 810 ÷ 15 - 30 (810 ÷ 15) + 30 <
- 29 × 3 + 93 (29 × 93) + 3 <
- 915 - 18 + 29 (915 + 18) - 29 >
- 544 - 71 + 86 (544 + 71) - 86 >
- 34 × 7 - 87 (34 × 87) - 7 <
- 641 - 16 + 50 (641 + 16) - 50 >
- 90 × 7 + 87 (90 × 87) + 7 <
- 900 ÷ 90 + 10 (900 ÷ 90) - 10 >
- 70 × 7 - 2 (70 × 2) - 7 >
- 95 × 2 + 90 (95 × 90) + 2 <
- 510 ÷ 51 - 10 (510 ÷ 51) + 10 <
- 195 - 57 + 16 (195 + 57) - 16 <
- 720 ÷ 10 + 30 (720 ÷ 10) - 30 >
- 967 + 10 - 62 967 - 10 + 62 <
- 55 × 7 - 65 (55 × 65) - 7 <
- 510 ÷ 30 - 10 (510 ÷ 30) + 10 <
- 48 × 5 + 56 (48 × 56) + 5 <
- 291 + 10 - 92 291 - 10 + 92 <
- 674 + 10 - 18 674 - 10 + 18 <
- 806 ÷ 13 - 1 (806 ÷ 13) + 1 <
- 320 + 10 - 15 320 - 10 + 15 <
- 80 × 5 - 35 (80 × 35) - 5 <
- 360 ÷ 15 - 10 (360 ÷ 15) + 10 <
- 480 ÷ 24 - 10 (480 ÷ 24) + 10 <
- 777 - 10 + 68 (777 + 10) - 68 >
- 137 - 87 + 64 (137 + 87) - 64 <
- 920 ÷ 10 - 46 (920 ÷ 10) + 46 <
- 627 - 53 + 10 (627 + 53) - 10 <
- 468 + 10 - 14 468 - 10 + 14 <
- 350 ÷ 10 + 10 (350 ÷ 10) - 10 >
- 579 - 94 + 34 (579 + 94) - 34 <
- 561 - 92 + 97 (561 + 92) - 97 >
- 420 ÷ 21 - 7 (420 ÷ 21) + 7 <
- 15 × 1 + 69 (15 × 69) + 1 <
- 247 + 10 - 15 247 - 10 + 15 <
- 968 ÷ 44 + 22 (968 ÷ 44) - 22 >
- 74 × 5 + 46 (74 × 46) + 5 <
- 828 + 10 - 42 828 - 10 + 42 <
- 67 × 4 - 53 (67 × 53) - 4 <
- 644 ÷ 46 - 2 (644 ÷ 46) + 2 <
- 23 × 8 - 38 (23 × 38) - 8 <
- 444 + 10 - 47 444 - 10 + 47 <
- 971 - 33 + 77 (971 + 33) - 77 >
- 528 ÷ 44 + 12 (528 ÷ 44) - 12 >
- 659 + 10 - 43 659 - 10 + 43 <
- 92 × 7 + 81 (92 × 81) + 7 <
- 30 × 2 + 16 (30 × 16) + 2 <
- 576 ÷ 32 + 16 (576 ÷ 32) - 16 >
- 585 ÷ 45 - 1 (585 ÷ 45) + 1 <
- 630 ÷ 14 - 10 (630 ÷ 14) + 10 <
- 384 ÷ 96 - 3 (384 ÷ 96) + 3 <
- 90 × 1 + 71 (90 × 71) + 1 <
- 46 × 6 + 71 (46 × 71) + 6 <
- 82 × 5 + 25 (82 × 25) + 5 <
- 74 × 6 - 44 (74 × 44) - 6 <
- 347 + 10 - 20 347 - 10 + 20 <
- 765 ÷ 51 + 15 (765 ÷ 51) - 15 >
- 313 + 10 - 16 313 - 10 + 16 <
- 18 × 6 + 52 (18 × 52) + 6 <
- 32 × 1 - 20 (32 × 20) - 1 <
- 12 × 9 + 30 (12 × 30) + 9 <
- 694 - 34 + 89 (694 + 34) - 89 >
- 490 + 10 - 57 490 - 10 + 57 <
- 41 × 7 + 27 (41 × 27) + 7 <
- 417 - 87 + 33 (417 + 87) - 33 <
- 972 ÷ 12 + 18 (972 ÷ 12) - 18 >
- 31 × 8 - 28 (31 × 28) - 8 <
- 966 + 10 - 53 966 - 10 + 53 <
- 959 + 10 - 21 959 - 10 + 21 <
- 273 ÷ 13 - 13 (273 ÷ 13) + 13 <
- 18 × 5 + 67 (18 × 67) + 5 <
- 748 ÷ 68 + 11 (748 ÷ 68) - 11 >
- 20 × 6 + 80 (20 × 80) + 6 <
- 480 ÷ 60 - 4 (480 ÷ 60) + 4 <
- 18 × 6 - 96 (18 × 96) - 6 <
- 96 × 3 + 90 (96 × 90) + 3 <
- 660 ÷ 30 + 20 (660 ÷ 30) - 20 >
- 43 × 2 + 12 (43 × 12) + 2 <
- 865 + 10 - 16 865 - 10 + 16 <
- 196 ÷ 49 - 1 (196 ÷ 49) + 1 <
- 900 ÷ 18 - 18 (900 ÷ 18) + 18 <
- 270 ÷ 30 - 3 (270 ÷ 30) + 3 <
- 624 ÷ 39 + 16 (624 ÷ 39) - 16 >
- 192 ÷ 12 - 16 (192 ÷ 12) + 16 <
- 21 × 8 + 93 (21 × 93) + 8 <
- 864 - 97 + 47 (864 + 97) - 47 <
- 400 ÷ 10 - 40 (400 ÷ 10) + 40 <
- 67 × 4 + 55 (67 × 55) + 4 <
- 39 × 7 - 66 (39 × 66) - 7 <
- 39 × 8 + 79 (39 × 79) + 8 <
- 960 ÷ 10 - 8 (960 ÷ 10) + 8 <
- 170 ÷ 17 - 1 (170 ÷ 17) + 1 <
- 830 + 10 - 97 830 - 10 + 97 <
- 581 ÷ 83 - 7 (581 ÷ 83) + 7 <
- 948 + 10 - 39 948 - 10 + 39 <
- 61 × 7 - 24 (61 × 24) - 7 <
- 630 ÷ 10 - 21 (630 ÷ 10) + 21 <
- 50 × 6 + 71 (50 × 71) + 6 <
- 930 ÷ 10 + 93 (930 ÷ 10) - 93 >
- 90 × 8 + 44 (90 × 44) + 8 <
- 59 × 8 - 63 (59 × 63) - 8 <
- 468 ÷ 12 + 39 (468 ÷ 12) - 39 >
- 907 + 10 - 38 907 - 10 + 38 <
- 147 + 10 - 17 147 - 10 + 17 <
- 71 × 4 + 72 (71 × 72) + 4 <
- 602 ÷ 43 - 14 (602 ÷ 43) + 14 <
- 357 - 34 + 88 (357 + 34) - 88 >
- 62 × 7 - 52 (62 × 52) - 7 <
- 960 ÷ 24 + 30 (960 ÷ 24) - 30 >
- 704 ÷ 22 - 1 (704 ÷ 22) + 1 <
- 648 ÷ 18 - 36 (648 ÷ 18) + 36 <
- 66 × 6 + 20 (66 × 20) + 6 <
- 476 ÷ 17 + 14 (476 ÷ 17) - 14 >
- 480 ÷ 15 + 12 (480 ÷ 15) - 12 >
- 28 × 1 + 90 (28 × 90) + 1 <
- 702 ÷ 18 + 18 (702 ÷ 18) - 18 >
- 140 ÷ 28 - 4 (140 ÷ 28) + 4 <
- 812 ÷ 29 + 14 (812 ÷ 29) - 14 >
- 754 ÷ 26 + 29 (754 ÷ 26) - 29 >
- 81 × 7 + 34 (81 × 34) + 7 <
- 850 ÷ 25 + 34 (850 ÷ 25) - 34 >
- 560 ÷ 14 + 16 (560 ÷ 14) - 16 >
- 600 ÷ 12 + 30 (600 ÷ 12) - 30 >
- 988 ÷ 26 + 38 (988 ÷ 26) - 38 >
- 57 + 10 - 16 57 - 10 + 16 <
- 37 × 4 - 66 (37 × 66) - 4 <
- 675 ÷ 15 + 15 (675 ÷ 15) - 15 >
- 164 - 65 + 47 (164 + 65) - 47 <
- 81 × 7 + 11 (81 × 11) + 7 <
- 53 × 7 + 13 (53 × 13) + 7 <
※总分：100分， 共计：380道题， 每题：0.26 分。