资料简介
一、口算:(每题 1 分,共 40 分)
5
43 -2.7= 14×
7
2 =
16
15 ÷5= 1
3
1
3
1 =
4
1
5
1
2
1
5
197
220
2
133
1
15
7 -
5
2 =
4
1
2
1
3
24 14
9
14
9 =
3
1
4
3
14
3
12
7 24
8
3
9
5
10
3 35
1
5
24 = 35
1
14
7
14
9
2
133
1
4
35 05
198
32
6
1
3
1
2
1
4
1
3
1
6
5
10
3 36
1
8
5858
3
8
1
8
74
3
1
9
7
2
1
4
3 0.25×8= 3.4-
13
8 -
13
5 =
3
1 +0.5= 10.5-1.05=
12
5
10
3 10.01÷10%=
1.5×
5
3 =
5
4 80%= 1×9
9
1 = 3× 44
3
3
1 =
查看更多