÷=
×1=
2
3
÷5=
3
-15=
.5×=
18×700=
1÷5=
7
÷41=
口算练习题一
2
2
5
×=
×=
×1000=
5÷6=
5÷5=
5×18=
6÷6=
6
9
7
5
3×1=
1÷1=
24
÷2=
3×4=
5
2
7
2
3
8
5
18×700=
400
÷80=
64
÷4=
360
÷20=
4
×1=
3÷3=
1×3=
×1=
15
4
4
4
7
10
6
×=
×=
×1000=
×=
14×15=
1+1=
4
×3=
12
÷2=
45
21
2
2
4
3
-=
÷4=
÷13=
÷5=
××4=
(+)×=
40×20%=
9
1
5
27
2
×4×7
3
2
380-290=
14
36
18
28
6
10
18
6
+=
+=
670+250=
+=
25×100=
-=
2+=
×=
正确率:
3
口算练习题四
×100=
×4=
×4=
4
×=
1÷5=
8÷4=
3
-=
7-3=
7
9
8
4
5×400=
3×1=
1÷1=
24
÷2=
5
2
7
2
3
7×5=
2×2=
6+6=
3×8=
10
7
3
3
7
4
÷28=
÷=
×=
6
×1=
7
3×11=
10
÷5=
6×2=
5
×2=
22
7
7
3
11
5
5
5-12=
144
×12=+5=
300×%=
430-250=
+=
-=
7200
÷800=
÷
10%=
×
80%=
4-(4-1)=
40×20%=
0
5
5
2
25×4=
×8=
÷=
÷2=
51=
3
=
3
2=
512=
38
1=
3
3=
4
3
4
3
6
8
20
20
1
2
=
1
3
=
13
9
=
1
2
8
=
+9÷9=
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