100644 blob 9fa00c306ccb006802f28263398fe3a4f44838b4	AbstractOperation.java
100644 blob 88968a4acb7bb025c13eb2fb391e1dae5138e1ba	Divide.java
100644 blob 4907684c5512c91a20f855ca2e8857abaf527cae	Equals.java
100644 blob 5eec40670d68864e8e680bdcf65c8cedde3496c3	Minus.java
100644 blob 3ea65d502a6e54221279ea60616f9aa6b09e0236	Plus.java
100644 blob 53d45fedfb5965b5c433d3ecd49fad0f9bdf9207	Square.java