口算练习十三(180题)
班级 姓名 时间 错( )题
14-8=
100-40=
78-60=
40+60=
5+47=
80-3-6=
40-20=
30+4=
83-9=
81-9=
6+33=
30+30+20=
56+8=
42-9=
74-40=
83-70=
7+50=
90-40-4=
17+6=
5+19=
45-8=
100-80=
7+19=
30+10+8=
7+50=
55-40=
54+9=
94-40=
19-6=
50-20+9=
37-8=
55-5=
83-3=
85-7=
69+6=
34+9-20=
78-30=
50+24=
93-60=
18-7=
4+37=
40+50-8=
83-80=
34-20=
93-8=
13-4=
52-4=
9+52-20=
30+50=
54+8=
53+7=
16-9=
58-40 =
31+7-20=
43-3=
20+19=
50-8=
26-8=
56+8=
74-8-20=
45-8=
5