keren84
keren84
21-10-2018
Mathematics
contestada
How to solve the problem
Respuesta :
isaaxesme
isaaxesme
21-10-2018
2 1/4 -1 3/4
={(4×2+1)/4}-{(1×4+3)/4}
= 9/4-7/4
=(9-7)/4
= 2/4
= 1/2
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