welthyv0
welthyv0
25-03-2022
Mathematics
contestada
Maths x please help
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frenchiegirl
frenchiegirl
25-03-2022
Hello
the same colour = ( RR- BB)
= 3/7 x 3/7 + 4/7 x 4/7
= 9/49 + 16/49
= 25/49
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