ayuda porfa, para hoy!!!
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Respuestas a la pregunta
Respuesta:
a) 7/8+[(1,5-1/2):2/5]^2-1/4
7/8+[(15/10-1/2):2/5]^2-1/4
7/8+[(3/2-1/2):2/5]^2-1/4
7/8+[2/2:2/5]^2-1/4
7/8+[1:2/5]^2-1/4
7/8+[5/2]^2-1/4
7/8+25/4-1/4
7/8+50/8-2/8
57/8-2/8
55/8
b) 12,2+(1/4-0,5^2+3/14x)^2+5
122/10+(1/4-0,25+3/14x7/5)^2+5
122/10+(1/4-25/100+3/10)^2+5
122/10+(1/4-1/4+3/10)^2+5
122/10+(3/10)^2+5
122/10+9/100+5
1220/100+9/100+500/100
1729/100
c) 0,5+{[(4/5x4,5)-17/10]x3/19}+
5/10+{[(4/5x45/10)-17/10]x3/19}+3/4
1/2+{[(4/5x9/2)-17/10]x3/19}+3/4
1/2+{[18/5-17/10]x3/19}+3/4
1/2+{[36/10-17/10]x3/19}+3/4
1/2+{19/10x3/19}+3/4
1/2+3/10+3/4
10/20+6/20+15/20
31/20
d) {[()x15/14]^3:2,25}-
{[()x15/14]^3:225/100}-3/2
{[()x15/14]^3:9/4}-3/2
{[7/5x15/14]^3:9/4}-3/2
{[3/2]^3:9/4}-3/2
{27/8:9/4}-3/2
3/2-3/2
0
e) [11/5:(0,2+5,3)]^2-(16/15x3/20)
[11/5:(5,5)]^2-4/25
[11/5:55/10]^2-4/25
[2/5]^2-4/25
4/25-4/25
0
Explicación paso a paso: