Respuesta:91/80 ; 307/30
Explicación paso a paso:
2/5+ 4/3* 3/5- (- 1/4)^2
=2/5+4/5−(−1/4)^2
=6/5−(−1/4)^2
=6/5−1/16
=91/80
5−2/3+11/2+2/5
=13/3+11/2+2/5
=13/3+59/10
=307/30
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Respuesta:91/80 ; 307/30
Explicación paso a paso:
2/5+ 4/3* 3/5- (- 1/4)^2
=2/5+4/5−(−1/4)^2
=6/5−(−1/4)^2
=6/5−1/16
=91/80
5−2/3+11/2+2/5
=13/3+11/2+2/5
=13/3+59/10
=307/30