Numrat deri 50
20+16=
36
45+24=
=69
100-98=
2
33
+23
=56
40
- 23
=17
22+21=
43
50+50=
100
94-78=
54
+32
=86
60
- 40
=20
32+12=
44
30+43=
73
75-25=
50
73
+27
=100
54
- 23
=31
34+14=
48
62+38=
100
67-33=
34
68
+ 12
=80
78
-22
=56
18+22=
40
48+23=
71
100-39=
61
70
+14
=84
89
- 44
=45