1)...-(7-3)-(5-2)-[(12-6)-(9-5)]
2)...-
[-5+7*(-3)]+21/7-4
3)....18/(6*2-3)-[16-(-4)*2]
4)....-
[5/(-5)+2/(-2)]-10/(3*5-5)
5)....3*
[2,1-(3,5-2,7]+2/0,5
6).....
[(5,3-0,4)*(5,71-3,4)]/4.5+3,7
Necesdito de urge x favor sii son los q no entiendo muy bien graxias :* x favor siii :*

1

Respuestas

2014-02-12T22:57:32+01:00
1.-(7-3)-(5-2)-[(12-6)-(9-5)] = -4-3-[6-4] = -7-2 = -9 2.-[-5+7*(-3)]+21/7-4 = -[-5-21]+3-4 = +26-1= +25 3.18/(6*2-3)-[16-(-4)*2] = 18/12-3-[16+8]= 18/9-8= 9-8= 1 4.-[5/(-5)+2/(-2)]-10/(3*5-5) = -[-1-1]-10/(15-5)= 1+1-10/10= 2-1= 1 5.3*[2,1-(3,5-2,7)]+2/0,5= 3*[2,1-0,8]+2/0,5= 3*[1,3]+4= 3,9+4= 7,9 6.[(5,3-0,4)*(5,71-3,4)]/4,5+3,7 = [4,9*2,31]/4,5+3,5= 11,319/4,5+3,5= 2,51533...+3,5= 6,01533... Espero que lo entiendas y que te sirva, suerte!