164÷4=41
41
4
164
16
0;
605÷5=121
121
5
605
10
980÷7=140
140
7
980
28
32÷3=10…2
3
32
30
2;
*39÷2=19…1
19
2
39
18
1
驗算:
×2
38
+1
39;
*83÷7=11…6
11
83
13
6
×7
77
+6
83;
*209÷3=69…2
69
209
29
27
×3
207
+2
209;
*791÷7=113
113
791
9
21
0
791.
164÷4=41
41
4
164
16
4
4
0;
605÷5=121
121
5
605
5
10
10
5
5
0;
980÷7=140
140
7
980
7
28
28
0;
32÷3=10…2
10
3
32
30
2;
*39÷2=19…1
19
2
39
2
19
18
1
驗算:
19
×2
38
+1
39;
*83÷7=11…6
11
7
83
7
13
7
6
驗算:
11
×7
77
+6
83;
*209÷3=69…2
69
3
209
18
29
27
2
驗算:
69
×3
207
+2
209;
*791÷7=113
113
7
791
7
9
7
21
21
0
驗算:
113
×7
791.