文档介绍：四年级坚式计算
3604-[ (12+6) X5]
2884-[ (26-14) X8]
500X6-(50X2-80)
(105X12-635) 4-25
864：[ (27-23) X 12]
500- (240+38X6)
(45+38-16) X24
4504-[ (84-48] ) H-12
[64- (87-42) ] X15
(58+37) 4- (64-9X5)
(845-15X3) 4-1612X[ (49-28) 4-7]
95： (64-45)
178-1454-5X6+42
812-700 4- (9+31X11)
85+14X (14+2084-26)
(284+16) X (512-82084-18)
120-36 X4-M8+35
6--4
(58+37) (64-9X5)
+-
(-)：
--
^
6--
(+) 4-
(-)
(-) +
12X64--6
- (6+-)
+
[(-) -] 4-
(58+370) 4- (64-45)
-[ (-) +]
420+580-64X214-28
12X64- (12-) -6
(136+64) X (65-3454-23)
--
(181+2564) +2719
388+(5000-1000)
378+44+114+242+222
158+262+138
276+228+353+219
375+219+381+225
(375+1034)+(966+125)
5001-247-1021-232
(2130+783+270)+1017
99+999+9999+99999
2357-183-317-357
7755-(2187+755)
2365-1086-214
2214+638+286
497-299
3065-738-1065
2370+1995
899+344
3999+498
1883-398
(12+24+80)X50
12X25
704X25 25X32X125
75X24
32X(25+125) 88X125
138X25X4
102X76 58X98
(13X125)X(3X8)
178X101-178
84X36+64X84
50X(34X4)X3
75X99+2X75
25X (24+16)
83X102-83X2
178X99+178
98X199
79X42+79+79X57
123X18-123X3+85X123
73004-254-4
81004-44-75
497004-700
168004-120
1248/24
301004-2100
31504-15
320004-400
48004-25
2356- (1356-721)
1235— (1780-1665)
75X27+19X2 5
276+228+353+219
31X870+13X310
(375+1034)+(966+125)
4X(25X65+25X28)
(2130+783+270)+1017
(181+2564) +2719
99+999+9999+99755 - (2187+755)
378+44+114+242+222
2214+638+286 3065-738-1065
899+344
3999+498
2357-183-317-357
1883-398
2365-1086-214
12X25 75X24
497-299
138X25X4
2370+1995
(13X125)X(3X8)
(12+24+80)X50
102X76
704X25
58X98
25X32X125
178X101-178
32X(25+125)
84X36+64X84
88X125
75X99+2X75
83X102-83X2
178X99+178
98X199
79X42+79+79X57