文档介绍:_姓名 成绩
挑战计算极限,争当计算明星!加油!(三年级下册)
口算
42X20=
80X70=
+ 20=
X 3=
680— 80
660
-
3=
960
-3
=
0
-9=
50
- 5
=
3 X
800 =
420
—7=
420
—
93
-3=
880
宁 4 =
20=
0-51=
0
—76=
0X85=
2X 200 =
84
宁 4=
0
十91=
83
—
29
+
68
68
—49 =
57
=
=
3X23=
64
宁 2 =
58
+ 26=
420
- 2=
63
-3
=
160
宁 4 =
2X 440 =
48
-2 =
0
48
-2 =
440
-
4=
32
X
3
=
48
宁 4 =
600
X 7=
120
X
3
0
48
-2 =
3X200
=
620
-
2
=
660
=
7500 — 500 =
-91
=12
X 4
=
0X
97 =
360
-9
=
44
X
2=
460
- 2=
70
+ 500=
3
X 33=
690
-
3=
49
+
33
7
1
—
7
=
00
=
230
X 3=
310
X
3
0
39
-3=
310
X 3
7
=
|
-
9 =
4700
=
20
4
X
2
99
-3=
2
=
66
—6=
65
+
15
=
0
3 X
220
=
48
宁 4=
0
120
—200
= 11
X 7=
0
70 -
十 7
=
14
X
2
=
930
-3 =
39
-3
=
0
80
X
7=
80
宁 4=
0
34
X 2 =
550
—5 =
800
+
=
690
-
3 =
700
60
X
5 =
2
X
44 =
540
-9
=
90
-9
=
39
-
3=
56
—
8=
0
64
-2 =
0
十8 =
3
X
31
0
X 57=
=
960
-
3
=
32
X 2 =
280
宁 4=
9
X 400=
23
X
78
—
36
3=
=
23
X
3 =
11
X
4=
0
—700=
600
-3
=
77 — 7
=
80 X 2
=
+33=
80 —46
=
5 X 900
=
+22=
33
0 -3 =
80 X 8
=
— 0
=
84 宁 4
=
1 X 3