精品文档
精品文档
18
×
4=
130
×
5=
24
×
3=
2
×
380=
25
×
2=
150
×
6=
35+75=
100-6=
200-20=
14
×
6=
7
×
13=
16
×
8=
280
×
3=
362
×
3=
700-70=
102-20=
150+510=
65
÷
8=
17
×
5=
133
×
4=
80
×
30=
31
×
20=
50
×
90=
70
×
140=
40
×
800=
300
×
30=
32
×
30=
21
×
40=
190
×
5=
30
×
15=
208
×
30=
180
×
50=
206
×
40=
30
×
50=
8
×
25=
4
×
240=
720+32=
765-60=
210
÷
7=
3000
÷
6=
4
×
23=
79
×
2=
240
÷
60=
480
÷
8=
350
÷
70=
4000
÷
80=
640
÷
32=
45
÷
15=
320
÷
8=
96
÷
4=
81
÷
3=
78
÷
6=
125
×
8=
26
÷
2=
85
÷
5=