二年级上口算练习2.doc

文档介绍：43-9=
62-20=
75-8=
33+50=
7+48=
39-4=
40+36=
73-5=
73-8=
10+37=
52-20=
81-20=
64+9=
16+5=
65-8=
45-20=
82-3=
53-20=
16+4=
60+25=
72-9=
57+3=
22-7=
5+78=
64-3=
42-7=
72-3=
55-44=
55-9=
35-8=
51-7=
74+7=
8+36=
43-20=
43+50=
30+26=
73+14=
46-8=
62-40=
75-6=
85+6-2=
26-7+30=
83-70+8=
52-4-20=
48+2-5=
70-40+27=
66-20-6=
33+7+20=
50-4-7=
77-20-8=
30+45-30=
71-8-50=
36+20-7=
27+4+20=
67-50-7=
84-6-50=
38+6-40=
89-20+4=
85-7-30=
10+23-30=
24+( )=55
50+( )=81
42-( )=20
()+3=52
( )-27=30
34=( )+8
()+73=80
57-( )=20
()+18=70
72=( )-10
62-( )=4
60+( )=85
59-( )=6
()+20=56
6+( )=75
47+3-( )=6
37-( )=8
76-( )=40
71-( )=40
60+( )-4=62
59-( )=6
()+20=56
6+( )=75
47+3-( )=6
37-( )=8
76-( )=40
71-( )=40
60+( )-4=62
43-9=
62-20=
75-8=
33+50=
7+48=
39-4=
40+36=
73-5=
( )-27=30
34=( )+8
()+73=80
57-( )=20
()+18=70
72=( )-10
62-( )=4
60+( )=85
73-8=
10+37=
52-20=
81-20=
64+9=
16+5=
65-8=
45-20=
38+6-40=
89-20+4=
85-7-30=
10+23-30=
24+( )=55
50+( )=81
42-( )=20
()+3=52
82-3=
53-20=
16+4=
60+25=
72-9=
57+3=
22-7=
5+78=
50-4-7=
77-20-8=
30+45-30=
71-8-50=
36+20-7=
27+4+20=
67-50-7=
84-6-50=
64-3=
42-7=
72-3=
55-44=
55-9=
35-8=
51-7=
74+7=
8+36=
43-20=
43+50=
30+26=
73+14=
46-8=
62-40=
75-6=
85+6-2=
26-7+30=
83-70+8=
52-4-20=
48+2-5=
70-40+27=