文档介绍：3964-34-2
25X84-4
985-1684-4
648+4804-3
124-7354-7
(34+22) 4-8
454- (154-3)
(601-246) 4-5
205 + 7X8
62- (25-7)
32X4+72
305X3-154
523+248-475
4704-5-28
4594-9X7
294 + 3994-7
264+159 + 47
892-537+469
763-386-363
704-7-29
900-473-227
406 + 369+94
683 + 258-383
359+432-189
542-128-272
853 +109-853
63X7 + 540
550+45X9
838-(138 + 275)
96X4+80
120+8004-10
57X8-406
208 + 342 + 292
803-589 + 111
99X2+3
235 + 178 + 165
615X3 + 7
45X9-335
1000-487-513
8X37+460
289 + 578-189
329 + 332 + 171
836 + 529-436 207X8-987
123 + 377X2
1948 + 539-648
406 X 7 — 669
438 + 279 + 362
81-814-9
460+177-177
698-245-1
456 + 299+81
(75 + 360) 4- (20-5) 12+ (40*5X24) (5625 + 3675) = (15 = 5)
681+ 27X44-2 23 + 253X4 7204- (15-3X2)
3889-(108+41)X5 (800 + 2004-50) X3 45+1 65 = 3
960-404-20-15 6404- (80-20X3) 44X 12 + 29
5504-110-15X4 368-35X 11 (365-328) X (73-55)
(4535-500) 4- (782-777) 632-48X 1 2+86 252^-6 + 35X7
6724- (3X25-73) 48=(2 + 6) 703-24X25
824-41X68
(69 + 21) X (72 十8) (16 + 20) X35
(126-87) X 12
2344-(205-199)
(75 + 315)4-(25-20)
1004-254-4
(10 + 25) X44
(121 -92) X 124-6
620-5304-5X2
178-(83 + 360 = 60)
870-304-15 +13
(420 + 60) 4- (275-245) 25X32X 125
4604- (30-21 4-3)
9000-75X24
9604-15-28
(49 + 21) X (48 = 8)
45 +1804-30-6
84—4X94-6
135-754-5
466+ 14X2 24004-60-16X2 4204- (205-198) X4
44X12 + 29 203-1354-9 (84-4) X94-6
(65 + 250) 4- (18-13) 36X13 + 207 = 3 28+120X8
(124-85) X 124-2 1825-454-9X24 (270-180) 4-30
72-12X6 (59 + 31) X (96 = 8) 1024- (680 + 640 = 8)
6404-8-50 8004-204-4 4800-24X (324-2)
26X4-1254-5
860-20X30
9874-3X6 96X (28-754-5)
78X34-9
10054-54-3 9964-6X2
256 X 7 X 5
454-34-5
150X44-10 726 + 274X3
41764-34-2
1912X34-4
5614- (3000 + 614)
60244-34-4 2800X54-4
1089- (400 + 311)
328 + 16X2
(100-36) 4-4 718-75X3
(187-24) X5
2335-74X8
275X64-3
5X (399-214)
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