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plz help 20 points pllllllllllllllllllllllz help mee asap

Plz Help 20 Points Pllllllllllllllllllllllz Help Mee Asap class=

Answer :

Answer:

b=4  c=7

Step-by-step explanation:

I think not positive

Answer:

453+557 = 1010

hence b is 5 and c is 3