Question

2") Determine o valor da expressao o sabendo que: a=4/5 b= 5/4 c=3/2
a) a+b+c
b) 2a+c-b​

Answer 1

Resposta:

Explicação passo-a-passo:

a)a+b+c

4/5+5/4+3/2=

16/20+25/20+30/20=

41/20+30/20=

71/20

b)2a+c-b

2.4/5+3/2-5/4=

8/5+3/2-5/4=

32/20+30/20-25/20=

62/20-25/20=

37/20