Teachers and parrents

Instructions:

Replace each vegetable with digit to make equations valid. At the same time, calculate the equation where the result is unknown. Beware, each type of vegetable is a different digit.

Example

+
+
=
3
 
+
+
=
37
 
+
+
=
0
 
-
+
=
 
 
 
 
 
 
 
 
 

Solution

+
+
=
3
 
+
+
=
37
 
+
+
=
0
 
-
+
=
20
 
 
 
0
 
3
 
17

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