- 耗时: 0分0秒
- 题数:
- 得分:
- 748 ÷ 44 + 11 (900 ÷ 18) - 36 >
- 484 + 10 - 66 65 - 80 + 80 >
- 276 ÷ 23 - 6 (792 ÷ 33) + 9 <
- 64 × 9 + 39 (39 × 91) + 2 <
- 29 × 4 - 75 (85 × 72) - 4 <
- 342 ÷ 38 - 2 (864 ÷ 16) + 2 <
- 756 ÷ 14 + 54 (920 ÷ 40) - 20 >
- 451 ÷ 41 - 11 (264 ÷ 66) + 4 <
- 22 × 7 - 43 (67 × 84) - 4 <
- 30 × 1 + 16 (19 × 33) + 4 <
- 792 ÷ 22 + 22 (396 ÷ 12) - 18 >
- 42 × 2 + 32 (85 × 29) + 6 <
- 946 + 10 - 86 74 - 34 + 35 >
- 108 + 10 - 22 97 - 25 + 91 <
- 756 ÷ 42 - 2 (871 ÷ 13) + 1 <
- 690 ÷ 10 + 46 (836 ÷ 38) - 19 >
- 45 × 8 + 48 (73 × 73) + 6 <
- 67 + 10 - 11 94 - 56 + 91 <
- 66 × 4 + 32 (27 × 33) + 4 <
- 23 × 7 + 79 (97 × 89) + 4 <
- 760 ÷ 19 + 20 (784 ÷ 28) - 16 >
- 617 + 10 - 54 85 - 76 + 22 >
- 78 × 6 - 97 (39 × 41) - 3 <
- 406 ÷ 14 - 1 (792 ÷ 18) + 9 <
- 528 ÷ 44 - 2 (154 ÷ 11) + 14 <
- 53 × 9 + 30 (78 × 80) + 7 <
- 816 - 68 + 98 (873 + 60) - 14 <
- 61 × 5 + 98 (33 × 12) + 5 >
- 61 × 1 + 63 (31 × 52) + 1 <
- 770 ÷ 10 + 70 (816 ÷ 16) - 16 >
- 47 × 9 - 72 (34 × 50) - 1 <
- 882 - 32 + 85 (859 + 84) - 77 >
- 38 × 2 + 43 (99 × 11) + 8 <
- 18 × 6 - 43 (64 × 75) - 1 <
- 395 - 83 + 26 (303 + 56) - 47 >
- 440 ÷ 20 + 11 (195 ÷ 15) - 13 >
- 512 - 27 + 66 (340 + 64) - 22 >
- 924 + 10 - 95 78 - 31 + 11 >
- 960 ÷ 10 + 15 (936 ÷ 52) - 13 >
- 374 ÷ 34 - 1 (360 ÷ 12) + 2 <
- 38 × 5 - 41 (85 × 87) - 6 <
- 780 ÷ 39 - 13 (396 ÷ 44) + 3 <
- 819 ÷ 21 + 13 (480 ÷ 10) - 48 >
- 265 - 77 + 86 (722 + 13) - 77 <
- 576 ÷ 24 + 16 (400 ÷ 20) - 20 >
- 72 × 2 + 44 (88 × 35) + 5 <
- 550 + 10 - 27 27 - 51 + 80 >
- 11 × 4 + 16 (11 × 87) + 4 <
- 595 - 49 + 73 (347 + 44) - 67 >
- 32 × 1 + 86 (29 × 93) + 3 <
- 49 × 4 - 2 (67 × 30) - 2 <
- 231 ÷ 21 + 11 (840 ÷ 12) - 35 <
- 285 ÷ 19 - 15 (609 ÷ 29) + 7 <
- 900 ÷ 25 + 36 (272 ÷ 16) - 17 >
- 544 ÷ 16 + 17 (725 ÷ 25) - 29 >
- 865 + 10 - 63 64 - 35 + 82 >
- 73 × 1 + 40 (80 × 56) + 3 <
- 408 ÷ 34 - 6 (336 ÷ 12) + 3 <
- 780 ÷ 12 + 13 (759 ÷ 11) - 23 >
- 94 × 3 - 89 (95 × 31) - 3 <
- 770 - 67 + 13 (562 + 85) - 47 >
- 26 × 9 - 17 (90 × 93) - 7 <
- 980 ÷ 98 - 4 (416 ÷ 16) + 26 <
- 34 × 4 - 80 (76 × 77) - 5 <
- 48 × 4 - 69 (92 × 27) - 1 <
- 240 + 10 - 33 71 - 11 + 15 >
- 341 + 10 - 19 66 - 32 + 27 >
- 153 + 10 - 30 12 - 19 + 98 >
- 594 ÷ 11 - 54 (195 ÷ 13) + 1 <
- 184 + 10 - 57 17 - 45 + 61 >
- 251 + 10 - 31 43 - 61 + 72 >
- 140 ÷ 10 + 10 (696 ÷ 12) - 24 <
- 753 - 46 + 50 (470 + 77) - 33 >
- 39 × 6 + 96 (38 × 82) + 5 <
- 704 ÷ 16 + 44 (799 ÷ 47) - 17 >
- 52 × 4 - 2 (84 × 73) - 7 <
- 600 ÷ 25 + 24 (710 ÷ 10) - 71 >
- 12 × 6 + 29 (39 × 78) + 3 <
- 540 ÷ 10 + 27 (432 ÷ 24) - 12 >
- 560 ÷ 14 + 16 (150 ÷ 10) - 10 >
- 20 × 7 + 90 (90 × 42) + 2 <
- 920 ÷ 20 + 23 (442 ÷ 34) - 13 >
- 253 - 54 + 51 (36 + 90) - 88 >
- 684 ÷ 12 + 19 (704 ÷ 16) - 22 >
- 23 × 4 + 73 (10 × 45) + 7 <
- 989 - 11 + 33 (367 + 99) - 98 >
- 402 - 46 + 37 (222 + 53) - 60 >
- 794 - 11 + 45 (604 + 78) - 74 >
- 558 - 72 + 65 (432 + 95) - 75 >
- 94 × 6 - 45 (37 × 74) - 5 <
- 197 + 10 - 29 45 - 10 + 98 >
- 528 ÷ 33 - 1 (602 ÷ 43) + 14 <
- 988 ÷ 19 - 26 (490 ÷ 14) + 2 <
- 79 + 10 - 39 71 - 20 + 37 <
- 68 × 7 + 60 (98 × 10) + 6 <
- 323 ÷ 19 + 17 (630 ÷ 14) - 10 <
- 94 × 7 - 48 (84 × 75) - 5 <
- 517 + 10 - 60 45 - 30 + 68 >
- 844 - 62 + 23 (822 + 82) - 27 <
- 490 ÷ 10 + 14 (380 ÷ 10) - 19 >
- 80 × 2 - 20 (31 × 9) - 1 <
- 18 × 6 + 58 (68 × 64) + 2 <
- 880 ÷ 11 - 16 (552 ÷ 12) + 4 >
- 11 × 5 + 69 (94 × 47) + 9 <
- 175 + 10 - 56 24 - 79 + 78 >
- 251 - 52 + 29 (320 + 86) - 25 <
- 122 - 20 + 45 (791 + 15) - 43 <
- 72 × 2 - 13 (39 × 97) - 7 <
- 560 ÷ 10 + 40 (440 ÷ 40) - 11 >
- 97 × 4 - 68 (55 × 70) - 8 <
- 97 × 9 - 2 (90 × 62) - 8 <
- 640 ÷ 32 - 1 (680 ÷ 85) + 4 >
- 314 + 10 - 80 27 - 78 + 85 >
- 242 ÷ 11 + 22 (882 ÷ 14) - 49 >
- 866 + 10 - 56 95 - 91 + 87 >
- 988 + 10 - 10 30 - 15 + 41 >
- 43 × 1 + 56 (26 × 54) + 7 <
- 180 ÷ 12 - 2 (238 ÷ 17) + 1 <
- 455 + 10 - 43 60 - 45 + 73 >
- 820 ÷ 20 - 4 (546 ÷ 26) + 13 >
- 874 ÷ 23 + 38 (836 ÷ 19) - 22 >
- 35 × 4 - 26 (44 × 48) - 4 <
- 799 ÷ 17 - 47 (528 ÷ 16) + 8 <
- 651 ÷ 93 - 7 (192 ÷ 12) + 2 <
- 117 - 86 + 21 (560 + 92) - 54 <
- 66 × 9 + 94 (90 × 71) + 1 <
- 36 × 3 + 36 (85 × 55) + 7 <
- 594 - 48 + 18 (868 + 56) - 83 <
- 704 ÷ 22 + 16 (936 ÷ 24) - 26 >
- 795 ÷ 53 - 3 (792 ÷ 12) + 3 <
- 840 ÷ 30 + 12 (528 ÷ 12) - 44 >
- 21 × 6 - 1 (48 × 28) - 1 <
- 46 × 9 + 70 (20 × 13) + 1 >
- 902 ÷ 22 + 41 (704 ÷ 11) - 44 >
- 75 × 6 - 67 (86 × 34) - 9 <
- 132 ÷ 33 - 4 (429 ÷ 13) + 33 <
- 30 × 2 + 68 (27 × 86) + 3 <
- 172 - 78 + 70 (843 + 47) - 33 <
- 83 × 9 + 56 (32 × 52) + 6 <
- 840 ÷ 12 - 28 (166 ÷ 83) + 2 >
- 396 ÷ 12 + 12 (756 ÷ 12) - 18 =
- 397 - 72 + 80 (848 + 87) - 25 <
- 606 + 10 - 54 85 - 22 + 69 >
- 29 × 8 + 66 (30 × 87) + 8 <
- 730 + 10 - 22 98 - 33 + 59 >
- 868 ÷ 14 + 31 (310 ÷ 31) - 10 >
- 780 ÷ 13 + 10 (986 ÷ 17) - 17 >
- 240 ÷ 48 - 4 (940 ÷ 20) + 5 <
- 319 ÷ 29 + 11 (840 ÷ 20) - 20 =
- 765 ÷ 51 - 1 (986 ÷ 17) + 2 <
- 464 ÷ 16 - 8 (920 ÷ 40) + 1 <
- 580 + 10 - 18 89 - 98 + 25 >
- 854 + 10 - 34 10 - 21 + 34 >
- 256 + 10 - 38 54 - 37 + 38 >
- 546 ÷ 26 - 7 (782 ÷ 23) + 2 <
- 568 - 17 + 66 (187 + 16) - 74 >
- 14 × 1 + 47 (45 × 89) + 8 <
- 54 × 2 - 50 (13 × 76) - 9 <
- 478 - 40 + 77 (241 + 80) - 49 >
- 714 ÷ 21 + 17 (880 ÷ 20) - 16 >
- 80 × 2 + 89 (65 × 51) + 4 <
- 36 × 3 + 72 (65 × 59) + 8 <
- 680 ÷ 34 - 10 (900 ÷ 20) + 36 <
- 54 × 9 - 20 (76 × 58) - 6 <
- 57 × 8 - 61 (83 × 27) - 9 <
- 106 + 10 - 78 98 - 10 + 55 <
- 82 + 10 - 36 23 - 50 + 50 >
- 966 + 10 - 15 88 - 30 + 65 >
- 574 - 28 + 47 (440 + 12) - 44 >
- 173 + 10 - 47 52 - 65 + 39 >
- 990 ÷ 33 - 18 (160 ÷ 10) + 2 <
- 896 + 10 - 42 27 - 33 + 98 >
- 210 ÷ 10 - 10 (414 ÷ 18) + 3 <
- 68 × 3 - 80 (43 × 33) - 5 <
- 97 × 5 + 16 (92 × 73) + 6 <
- 10 × 9 + 84 (21 × 31) + 5 <
- 79 × 9 + 22 (42 × 84) + 5 <
- 97 × 4 + 45 (33 × 15) + 8 <
- 34 × 8 - 51 (58 × 65) - 5 <
- 58 × 9 - 18 (53 × 97) - 6 <
- 880 - 11 + 10 (975 + 41) - 63 <
- 528 ÷ 33 - 8 (126 ÷ 18) + 2 <
- 60 × 8 - 8 (65 × 39) - 1 <
- 60 × 4 + 86 (17 × 49) + 5 <
- 62 × 6 - 21 (48 × 56) - 3 <
- 391 - 35 + 70 (80 + 65) - 47 >
- 864 ÷ 54 - 8 (555 ÷ 15) + 37 <
- 114 - 13 + 90 (780 + 31) - 99 <
- 688 ÷ 43 + 16 (768 ÷ 16) - 16 =
- 484 ÷ 22 - 2 (780 ÷ 12) + 52 <
- 56 × 5 + 62 (67 × 31) + 2 <
- 80 - 86 + 52 (632 + 18) - 79 <
- 990 ÷ 55 + 11 (630 ÷ 10) - 30 <
- 306 ÷ 18 - 1 (612 ÷ 18) + 12 <
- 375 ÷ 15 + 15 (920 ÷ 23) - 10 >
- 49 × 3 - 75 (98 × 72) - 9 <
- 690 ÷ 23 + 10 (612 ÷ 18) - 34 >
- 564 ÷ 47 - 2 (660 ÷ 66) + 2 <
- 520 ÷ 26 + 10 (868 ÷ 14) - 62 >
- 74 × 9 - 55 (19 × 99) - 3 <
- 783 - 15 + 29 (844 + 81) - 73 <
- 720 ÷ 45 + 15 (672 ÷ 16) - 16 >
- 68 - 90 + 65 (725 + 97) - 65 <
- 980 ÷ 49 + 14 (624 ÷ 13) - 12 <
- 697 ÷ 41 + 17 (228 ÷ 19) - 12 >
- 855 ÷ 15 - 3 (500 ÷ 25) + 10 >
- 204 ÷ 12 - 17 (111 ÷ 37) + 1 <
- 295 + 10 - 89 70 - 51 + 90 >
- 23 × 4 + 68 (76 × 37) + 4 <
- 468 ÷ 12 + 13 (990 ÷ 18) - 18 >
- 431 - 80 + 84 (322 + 62) - 45 >
- 528 ÷ 11 + 33 (630 ÷ 18) - 14 >
- 938 + 10 - 84 66 - 78 + 61 >
- 544 ÷ 68 - 2 (825 ÷ 25) + 25 <
- 25 + 10 - 17 55 - 21 + 83 <
- 192 ÷ 64 - 2 (204 ÷ 17) + 3 <
- 364 ÷ 26 + 14 (210 ÷ 10) - 15 >
- 504 - 31 + 69 (435 + 88) - 54 >
- 61 × 1 - 46 (86 × 66) - 8 <
- 797 - 22 + 95 (357 + 68) - 67 >
- 71 × 4 + 96 (64 × 14) + 8 <
- 976 ÷ 16 - 16 (564 ÷ 47) + 6 >
- 54 × 8 - 51 (72 × 16) - 6 <
- 122 - 43 + 92 (147 + 81) - 78 >
- 85 × 5 - 40 (52 × 30) - 8 <
- 96 × 3 - 82 (59 × 18) - 5 <
- 980 ÷ 20 + 14 (476 ÷ 28) - 14 >
- 204 ÷ 12 + 17 (156 ÷ 12) - 12 >
- 867 + 10 - 45 84 - 14 + 84 >
- 58 × 9 - 23 (57 × 33) - 9 <
- 700 ÷ 25 + 10 (430 ÷ 43) - 10 >
- 912 - 66 + 19 (750 + 96) - 29 >
- 25 × 4 - 56 (28 × 43) - 9 <
- 800 ÷ 32 - 20 (532 ÷ 76) + 7 <
- 68 × 9 - 33 (39 × 30) - 2 <
- 746 - 14 + 92 (535 + 28) - 81 >
- 933 - 29 + 85 (253 + 56) - 65 >
- 936 ÷ 12 + 36 (448 ÷ 14) - 28 >
- 514 - 17 + 71 (955 + 23) - 77 <
- 360 ÷ 36 - 3 (168 ÷ 12) + 14 <
- 90 × 4 - 79 (77 × 67) - 4 <
- 954 - 30 + 55 (110 + 29) - 72 >
- 302 + 10 - 29 65 - 98 + 43 >
- 225 + 10 - 64 84 - 44 + 36 >
- 624 ÷ 16 - 8 (848 ÷ 16) + 8 <
- 75 × 1 + 60 (20 × 87) + 6 <
- 333 ÷ 37 - 3 (880 ÷ 20) + 40 <
- 28 × 7 + 47 (28 × 57) + 7 <
- 560 ÷ 80 - 1 (322 ÷ 14) + 2 <
- 47 × 6 - 44 (76 × 26) - 4 <
- 240 ÷ 10 - 8 (871 ÷ 67) + 1 >
- 306 - 43 + 87 (995 + 60) - 48 <
- 71 × 8 + 52 (34 × 47) + 1 <
- 495 + 10 - 18 81 - 18 + 90 >
- 731 - 86 + 89 (138 + 72) - 85 >
- 192 - 42 + 71 (919 + 27) - 56 <
- 887 - 72 + 84 (529 + 80) - 71 >
- 210 - 60 + 63 (97 + 92) - 85 >
- 500 ÷ 10 + 50 (672 ÷ 14) - 24 >
- 647 - 69 + 74 (896 + 96) - 80 <
- 247 + 10 - 87 73 - 46 + 31 >
- 350 + 10 - 23 46 - 41 + 24 >
- 802 + 10 - 90 99 - 15 + 56 >
- 540 ÷ 18 - 9 (306 ÷ 34) + 9 >
- 15 × 2 + 75 (90 × 45) + 5 <
- 126 ÷ 21 - 3 (296 ÷ 74) + 2 <
- 83 × 3 + 22 (19 × 50) + 2 <
- 89 × 5 - 9 (90 × 3) - 4 >
- 768 ÷ 12 - 2 (726 ÷ 22) + 3 >
- 615 + 10 - 56 83 - 21 + 98 >
- 348 ÷ 12 - 1 (400 ÷ 40) + 10 >
- 73 × 4 + 44 (36 × 63) + 9 <
- 276 + 10 - 41 26 - 34 + 78 >
- 250 ÷ 10 + 10 (918 ÷ 54) - 17 >
- 168 ÷ 12 - 12 (285 ÷ 95) + 3 <
- 44 × 7 + 51 (62 × 29) + 4 <
- 978 - 48 + 43 (378 + 99) - 91 >
- 92 × 4 + 80 (39 × 34) + 2 <
- 780 ÷ 12 + 26 (798 ÷ 42) - 19 >
- 740 ÷ 20 - 1 (864 ÷ 16) + 18 <
- 378 ÷ 18 + 21 (781 ÷ 11) - 11 <
- 24 × 9 + 95 (82 × 47) + 7 <
- 448 ÷ 32 + 14 (832 ÷ 52) - 16 >
- 57 × 3 - 98 (51 × 80) - 6 <
- 858 ÷ 66 - 6 (910 ÷ 14) + 10 <
- 66 × 9 + 90 (97 × 26) + 2 <
- 61 × 3 + 92 (99 × 99) + 7 <
- 449 - 35 + 64 (555 + 93) - 38 <
- 13 × 6 + 58 (71 × 45) + 6 <
- 54 × 1 + 24 (69 × 83) + 8 <
- 879 + 10 - 73 96 - 65 + 40 >
- 505 - 74 + 48 (198 + 32) - 96 >
- 29 × 8 + 45 (41 × 42) + 4 <
- 186 + 10 - 92 52 - 46 + 18 >
- 960 ÷ 40 + 16 (972 ÷ 18) - 12 <
- 837 - 74 + 99 (784 + 25) - 37 >
- 25 × 2 - 18 (25 × 85) - 6 <
- 396 ÷ 33 - 9 (480 ÷ 10) + 24 <
- 600 ÷ 10 - 5 (816 ÷ 68) + 1 >
- 13 × 8 - 92 (85 × 43) - 7 <
- 298 - 19 + 45 (22 + 55) - 62 >
- 776 + 10 - 55 67 - 72 + 60 >
- 581 + 10 - 30 17 - 19 + 27 >
- 15 × 7 + 14 (67 × 31) + 7 <
- 97 × 2 - 81 (52 × 8) - 8 <
- 305 - 95 + 58 (999 + 64) - 23 <
- 825 ÷ 15 + 25 (315 ÷ 21) - 15 >
- 91 × 7 + 24 (25 × 74) + 9 <
- 23 × 1 - 3 (56 × 57) - 7 <
- 772 + 10 - 45 20 - 15 + 75 >
- 168 ÷ 12 + 12 (576 ÷ 24) - 12 >
- 178 - 87 + 69 (810 + 98) - 48 <
- 962 ÷ 74 + 13 (980 ÷ 28) - 14 >
- 744 ÷ 12 + 31 (544 ÷ 32) - 17 >
- 74 × 4 + 89 (12 × 43) + 7 <
- 237 + 10 - 38 24 - 53 + 38 >
- 66 × 1 + 41 (79 × 88) + 4 <
- 18 × 8 - 42 (63 × 38) - 7 <
- 560 - 92 + 34 (333 + 72) - 76 >
- 42 × 4 + 81 (43 × 69) + 8 <
- 721 + 10 - 18 20 - 58 + 42 >
- 22 × 2 - 21 (28 × 28) - 7 <
- 818 - 84 + 15 (644 + 60) - 23 >
- 984 ÷ 24 + 24 (540 ÷ 30) - 10 >
- 530 - 23 + 56 (247 + 77) - 17 >
- 958 + 10 - 67 39 - 47 + 86 >
- 16 × 6 + 25 (68 × 84) + 6 <
- 960 ÷ 30 - 5 (290 ÷ 10) + 10 <
- 35 × 2 + 43 (48 × 52) + 5 <
- 710 ÷ 71 - 1 (630 ÷ 14) + 42 <
- 720 ÷ 36 + 20 (924 ÷ 84) - 11 >
- 85 × 6 - 15 (41 × 44) - 7 <
- 942 + 10 - 31 49 - 96 + 48 >
- 87 × 9 - 90 (30 × 37) - 9 <
- 651 ÷ 31 - 21 (192 ÷ 12) + 4 <
- 355 + 10 - 21 89 - 71 + 71 >
- 65 × 4 - 55 (13 × 39) - 3 <
- 440 ÷ 11 + 20 (704 ÷ 16) - 44 >
- 780 ÷ 10 + 10 (242 ÷ 11) - 22 >
- 480 ÷ 30 - 8 (518 ÷ 14) + 1 <
- 936 ÷ 18 + 26 (240 ÷ 12) - 16 >
- 720 ÷ 80 - 5 (518 ÷ 74) + 2 <
- 900 ÷ 36 + 25 (950 ÷ 19) - 19 >
- 34 × 2 + 66 (74 × 34) + 6 <
- 648 ÷ 18 - 27 (975 ÷ 15) + 3 <
- 902 ÷ 11 + 41 (704 ÷ 44) - 11 >
- 275 + 10 - 52 19 - 70 + 63 >
- 51 × 9 - 20 (21 × 46) - 7 <
- 354 - 36 + 90 (229 + 63) - 62 >
- 732 ÷ 61 - 6 (544 ÷ 17) + 1 <
- 17 × 5 - 82 (29 × 52) - 6 <
- 770 ÷ 70 + 11 (690 ÷ 23) - 10 >
- 56 × 1 + 74 (70 × 43) + 4 <
- 18 × 8 - 45 (15 × 80) - 7 <
- 68 × 1 + 84 (91 × 98) + 3 <
- 610 ÷ 10 - 61 (780 ÷ 10) + 2 <
- 45 + 10 - 51 62 - 12 + 79 <
- 561 ÷ 11 + 11 (400 ÷ 16) - 25 >
- 630 ÷ 21 + 15 (630 ÷ 14) - 15 >
- 57 × 8 - 35 (44 × 5) - 7 >
- 93 × 7 + 47 (74 × 12) + 6 <
- 543 + 10 - 71 37 - 40 + 35 >
- 960 ÷ 12 - 3 (720 ÷ 16) + 3 >
- 65 × 1 - 54 (15 × 25) - 6 <
- 700 ÷ 10 - 1 (344 ÷ 43) + 4 >
- 320 ÷ 16 + 16 (760 ÷ 19) - 40 >
- 672 ÷ 16 + 42 (992 ÷ 32) - 31 >
- 360 ÷ 60 - 6 (840 ÷ 70) + 8 <
- 454 - 68 + 84 (772 + 64) - 35 <
- 700 ÷ 20 + 20 (600 ÷ 25) - 20 >
- 970 + 10 - 27 35 - 73 + 49 >
- 750 - 36 + 30 (245 + 52) - 58 >
- 720 ÷ 40 + 10 (700 ÷ 28) - 14 >
- 969 - 40 + 48 (243 + 64) - 86 >
- 16 × 2 + 95 (26 × 63) + 5 <
- 576 ÷ 96 - 2 (984 ÷ 24) + 2 <
- 720 ÷ 18 + 10 (736 ÷ 16) - 16 >
- 850 ÷ 34 - 1 (440 ÷ 22) + 5 <
- 40 × 4 - 86 (56 × 12) - 7 <
- 53 × 8 + 57 (16 × 89) + 9 <
※总分:100分, 共计:380道题, 每题:0.26 分。