Question

Complete the table by writing the missing addition and subtraction facts.
Subtraction fact
Related subtraction fact
Related addition fact
1. 12-3=9
12-9= 3
3 +9= 12
42 + 15 = 57
2.
3. 92 -15= 77
4.
80-32 = 48
5.
60 + 28 = 88
6. 75-22=53​

Answer 1

Answer:

Step-by-step explanation:

1. 9+3=12

2. 15+42=57

57-42=15

57-15=42

3. 92-15=77

92-77=15

15+77=92

77+15=92

4. 80-48=32

32+48=80

48+32=80

5. 28+60=88

88-28=60

88-60=28

6. 75-22=53

53+22=75

22+53=75.