四年级 竖式计算.doc

四年级 竖式计算.doc3/7 X 49/9 - 4/3
8/9 X 15/36 + 1/27
12X 5/6 - 2/9 X3
8X 5/4 + 1/4
64- 3/8 - 3/8 4-6
4/7 X 5/9 + 3/7 X 5/9
5/2 - ( 3/2 + 4/5 )
7/8 + ( 1/8 + 1/9 )
9 X 5/6 + 5/6
3/4 X 8/9 - 1/3
7 X 5/49 + 3/14
6 X ( 1/2 + 2/3 )
8X4/5 + 8X11/5
31 X 5/6 - 5/6
9/7 - ( 2/7 - 10/21 )
5/9 X 18 - 14 X 2/7
4/5 X 25/16 + 2/3 X 3/4
14 X 8/7 - 5/6 X 12/15
17/32 - 3/4 X 9/24
3 X 2/9 + 1/3
X 3/25 + 3/7
3/14 XX 2/3 + 1/6
1/5 X 2/3 + 5/6
9/22 + 1/11 4- 1/2
5/3 X 11/5 + 4/3
45 X 2/3 + 1/3 X 15
7/19 + 12/19 X 5/6
1/4 + 3/4 4- 2/3
8/7 X 21/16 + 1/2
101 X 1/5 - 1/5 X 21
+1604-40 (58+370) 4- (64-45)
1444-18+35
+45X2-41604-52
34 (58+37) 4- (64-9X5)
- (64-45)
-1454-5X6+42 420+580-64X214-28
-7004- (9+31X11) (136+64) X (65-3454-23)
+14X (14+2084-26)
39. (284+16) X (512-8208118)
36X44-18+35
(58+37) 4- (64-9X5)
(-)4-
-
44. (+) 4- (2) (+) 4-
-4= +-=
--= 6--=
(-) =+
--
(-) +
- (6+-)
51.[ (-) -] 4-
-[ -) +]
- (12-) -6 (4) 12X64--6
1.[(-)/+]*
/(+*) 3.(284+16)*(512-8208/18) /[*(-)+] 5.[(-)*-]/ -(6+.