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12 questions
43+81=
87
124
84
42
51+103=
154
21
104
54
87−43=
81
84
21
1211
43−83=
126
83
80
40
21+81=
102
82
85
51
107−52=
55=1
1011=1 101
103
159
What is the equation?
65−31=34
32−31=31
65−62=21
65−31=33
What is the equation?
61+125=126=21
122+125=247
61+125=186
122+125=127
What is the equation?
1211−31=910
1211−31=1210
1211−123=128=32
1211−124=127
What is the equation?
53+43=96
53+107=1010=1
103+107=1010
106+107=1 103
What is the equation?
43−123=120
129−123=21
123−123=0
43−41=02
What is the equation?
126+123=43
42+123=165
42+123=125
21+41=62
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