70 + ___ = 100
70 + 30 = 100
60 + ___ = 100
60 + 40 = 100
100 - ___ = 40
100 - 60 = 40
100 - ___ = 30
100 - 70 = 30
100 - ___ = 20
100 - 80 = 20
90 + ___ = 100
90 + 10 = 100
20 + ___ = 100
20 + 80 = 100
80 + ___ = 100
80 + 20 = 100
50 + ___ = 100
50 + 50 = 100
100 - ___ = 70
100 - 30 = 70
30 + ___ = 100
30 + 70 = 100
100 - ___ = 10
100 - 90 = 10
100 - ___ = 90
100 - 10 = 90
10 + ___ = 100
10 + 90 = 100
100 - ___ = 50
100 - 50 = 50
100 - ___ = 100
100 - 0 = 100
50 + ___ = 100
50 + 50 = 100
100 + ___ = 100
100 + 0 = 100
100 - ___ = 60
100 - 40 = 60
0 + ___ = 100
0 + 100 = 100
40 + ___ = 100
40 + 60 = 100
100 - ___ = 80
100 - 20 = 80
100 - ___ = 0
100 - 100 = 0
100 - ___ = 50
100 - 50 = 50