一年级口算练习(二)
45+30
45+3
5+41
50+41
6+32
52+6
40+47
62+4
27+40
5+23
71+5
45+30
69+1
6+33
18+70
44+3
5+32
25+4
20+35
4+75
3+95
30+65
53+20
85+3
4+52
30+65
6+22
16+3
40+58
56-30
56-3
89-40
89-4
75-30
56-3
29-4
77-7
29-20
56-4
63-50
38-4
98-3
96-30
39-6
25-4
78-40
80-30
79-60
49-7
26-3
59-3
67-3
99-50
30-1
55-2
27-5
45-20
76-40
46-30
46+30
4+74
51+7
38+40
93-80
63-30
95-5
86+10
2+82
69+0
73-40
100-30
59-4
95-4
70+28
6+98
19-6
20+80
65+30
92-50
13+5
85-2
58-30
58+30
36-3
36-30
5+34
50+34
12+5+50
65-5-50
80-20+6
6-4+80
5-3+70
70-30+5
60+4+20
75-70+9
80-20+15
6+32-30
46-6+60
78-8+29
30+50+12
25-20+71
54+3-5
46+6+20
90-50+42
32-2+58
75-40-3
22-20+50
36+20-20
59-30+30
28-8+25
90-10-60
30+70-50
22+4+40
36+3+10
56-2+10
85+10-20
68-( )=63
63+( )=68
45+( )=65
( )+20=65
65-( )=45
65-( )=20
( )+16=56
56-( )=16
78-( )=76
23+( )=29
90-( )=89
( )+5=26
( )-55=3
( )+5=18
49-( )=29
6+( )=48
( )-9=90
( )-20=28
28-( )=8
65-( )=35
26+( )=56
( )+42=49
85-( )=5
( )+3=37
25-( )=21
38-( )=31
43+( )=47
69-( )=39
86-( )=80
5 1
+ 4 7
6 5
+ 1 2
2 7
+ 5 1
6 9
- 4 7
8 5
- 4 3
6 1
+ 3 7
9 8
- 3 7
2
+ 4 7
7 6
- 4
4 2
+ 5 7
6 1
+ 8
7 9
- 6
2 2
+ 1 7
8 3
+ 1 6