+ and + = + ,+ and - = - ,- and + = - , - and - = + is this rule is right
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Answered by
2
Answer:
no this rule is not right
Answered by
0
Answer:
yes , this is right but it only works if there is 'multiply' in place of 'and '.
for ex:
- into - = +
+ into + = +
- into + = -
+ into - = -
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