28 + 45 + 17 =
87
85
90
96
48 + _______ = 87
39
43
37
41
11 more than 36 is
46
45
48
47
The sum of 23 and 48 is
74
69
71
73
8 added to 37 gives
639 + 74 =
708
713
725
698
Take 32 away from 68. We get
38
36
34
32
Reducing 81 by 38 gives
42
72 - _______ = 59
27
19
24
13
Add 31 + 24 + 42 :
86
97
98
