文档介绍：三年级口算练****一）
26+9= 57 -38 =
1500 -700 =
42
99+3 =
770 +7 =
660 +3 =
960
180-9 =
65 +15 =
660 +6 =
800
50+ 5 =
3 X800 =
420 +7
X220 =
480-4 =
58 +33 =
420 -20 =
93
880-4 =
1200 -200= 11 X7 =
80
— 46 =
0 +76 =
X85 =
70
14X2 =
5 X900 =
X200 =
84
0-91 =
930 +3 =
390
卜22
83-57 =
29 +68 =
68
- 49 =
80
800-4 =
330
X23 =
64
58+26 =
34
550
800
x 8=
420-2 =
63
160
800
+ 700=
690+3
58
X440 =
48
-2 =
480-2 =
60
x 5=
X44 =
840
三年级口算练****br/>440 + 4 =
32
二）
X 3=
48
540
90+ 9 =
13
X 3=
600
120
X3
480-2 =
39
560
990
3X200 =
620 +2
660
640
880-4 =
7500 -500= 0
-91 =
12
X4=
3X31 =
0 X57= 120
X 97=
360+9 =
44 X 2
960
-3
32
X2
2X440 =
460 +2
70
+ 500 =
X33 =
280 + 4 =
9 X 400=
X330 =
690
-3
49+33 =
700
♦7
23
78
— 36 =
11X4 =
230
X3
310
390
-3
230X3
11
X4 =
82
— 55 =
310
X3
720+9 =
4700
— 700 =
600 +3
48
+ 28 =
640+8
480
-8
x 50 =
800
880+8 =
9 X 500=
80
+ 17 =
54
+ 28 =
三年级口算练****三）
42X3
1700
— 800 =
90
-3
180
-3
300+5 =
930
-3
800
60
— 15 =
900+3 =
450
360
37
- 56 =
32X3 =
70
X7
1200
— 700=
300
50X7 =
X 37 =
53
—14 =
17
+ 27 =
840 + 4 =
X 14 =
140
660
7X800 =
X 700=
840
430
X2
540+9 =
31
X3
13