1
算一算
72- 2 =
45+ 9 =
86- 8 =
96- 2 =
24+ 9 =
40- 2 =
46- 9 =
43+ 4 =
18- 2 =
38- 8 =
35+ 5 =
85+ 2 =
59- 4 =
78+ 10 =
82- 5 =
64+ 6 =
32+ 7 =

1. $72 - 2 = 70$
2. $45 + 9 = 54$
3. $86 - 8 = 78$
4. $96 - 2 = 94$
5. $24 + 9 = 33$
6. $40 - 2 = 38$
7. $46 - 9 = 37$
8. $43 + 4 = 47$
9. $18 - 2 = 16$
10. $38 - 8 = 30$
11. $35 + 5 = 40$
12. $85 + 2 = 87$
13. $59 - 4 = 55$
14. $78 + 10 = 88$
15. $82 - 5 = 77$
16. $64 + 6 = 70$
17. $32 + 7 = 39$

填一填
()比20少11
7比60少()
比25多40的数是()
36比5多()
比84多4的数是()
52和3相差()
比71少9的数是()
比88多4的数是()
比93少3的数是()
70比5多()
比56多20的数是()
30比75少()
30和3相差()
比32多6的数是()
比29少7的数是()
比35多2的数是()
73比()多33

9
53
65
31
88
49
62
92
90
65
76
45
27
38
22
37
40