小学三年级数学整十整百数乘整十数能力作业口算题大全附答案
姓名：班级：日期：用时：分钟得分：
90
×
40
=
20
×
80
=
60
×
40
=
90
×
40
=
20
×
40
=
90
×
30
=
100
×
30
=
60
×
20
=
10
×
30
=
80
×
70
=
20
×
80
=
30
×
30
=
80
×
30
=
50
×
30
=
30
×
40
=
50
×
80
=
10
×
80
=
30
×
50
=
100
×
40
=
60
×
20
=
70
×
40
=
10
×
50
=
70
×
20
=
30
×
20
=
80
×
70
=
60
×
30
=
60
×
40
=
90
×
40
=
70
×
90
=
60
×
70
=
30
×
60
=
60
×
100
=
70
×
30
=
20
×
80
=
30
×
100
=
10
×
70
=
60
×
50
=
30
×
60
=
100
×
30
=
50
×
30
=
40
×
70
=
20
×
70
=
20
×
80
=
80
×
40
=
70
×
50
=
90
×
30
=
40
×
80
=
10
×
80
=
100
×
90
=
60
×
60
=
60
×
40
=
50
×
50
=
50
×
30
=
30
×
90
=
90
×
20
=
30
×
30
=
50
×
40
=
70
×
60
=
80
×
10
=
90
×
60
=
10
×
10
=
100
×
90
=
100
×
60
=
10
×
20
=
100
×
50
=
60
×
50
=
90
×
30
=
80
×
40
=
70
×
30
=
100
×
10
=
80
×
90
=
40
×
30
=
100
×
70
=
80
×
90
=
80
×
80
=
80
×
10
=
10
×
40
=
20
×
60
=
70
×
10
=
90
×
20
=
90
×
90
=
70
×
90
=
60
×
40
=
10
×
80
=
10
×
50
=
60
×
40
=
100
×
90
=
60
×
90
=
60
×
30
=
70
×
60
=
100
×
50
=
40
×
30
=
60
×
10
=
60
×
70
=
20
×
40
=
10
×
20
=
80
×
40
=
10
×
70
=
90
×
40
=
60
×
100
=
50
×
90
=
50
×
50
=
50
×
10
=
20
×
80
=
100
×
50
=
90
×
20
=
50
×
70
=
30
×
30
=
90
×
80
=
10
×
10
=
30
×
40
=
100
×
60
=
40
×
60
=
50
×
20
=
100
×
30
=
50
×
40
=
40
×
90
=
90
×
80
=
30
×
40
=
70
×
80
=
20
×
90
=
50
×
50
=
10
×
50
=
80
×
20
=
40
×
80
=
50
×
80
=
60
×
70
=
100
×
70
=
90
×
20
=
70
×
10
=
10
×
50
=
70
×
10
=
40
×
10
=
40
×
80
=
90
×
80
=
50
×
10
=
40
×
60
=
60
×
40
=
80
×
60
=
20
×
30
=
100
×
70
=
20
×
60
=
60
×
80
=
40
×
90
=
30
×
10
=
80
×
70
=
30
×
60
=
50
×
10
=
20
×
20
=
20
×
40
=
50
×
10
=
10
×
80
=
50
×
90
=
70
×
20
=
50
×
70
=
100
×
80
=
70
×
60
=
80
×
60
=
10
×
90
=
70
×
40
=
100
×
50
=
60
×
50
=
60
×
40
=
50
×
30
=
40
×
10
=
30
×
10
=
90
×
40
=
30
×
90
=
10
×
60
=
100
×
80
=
100
×
50
=
80
×
40
=
100
×
90
=
50
×
10
=
90
×
80
=
10
×
60
=
50
×
60
=
10
×
50
=
40
×
70
=
80
×
30
=
40
×
90
=
50
×
10
=
10
×
10
=
30
×
50
=
100
×
70
=
90
×
20
=
100
×
60
=
70
×
20
=
20
×
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