lunes, 31 de agosto de 2009

segunda tarea grupo 1°4 ♥

1.- ((6/14)(2/13)/(5/2))+ 2/7 =
588/1470= 196/490(6/14)(2/3)=
12/42 / 5/2=24/21024/210 + 2/7=
168+420/1470=588/1470588/1470=
196/490 (tercera)


2.- 9/7 + 6/5 -18/12 -1/5 =1650/2100=330/420
9/7 + 6/5=45+42/35=87/35-18/12=1044-630/420=
414/420414/420 - 1/5=2070-420/2100=1650/2100
1650/2100=330/420 (quinta)



3.- 3/9 - 16/4 +25 =768/36=128/6
3/9 - 16/4=12-144/36=-132/36
-132/36 + 25/1=-132+900/36=768/36
768/36=128/6 (sexta)



4.- 25 - 16 - 48 - 76 + 65 + 82 - 45 + 12 =
184-185= -1




5.- (2)(-9)(3)(-8)(7)(-6)(5)(4)(16)(-2) =
-11,612,160(2)(-9)=
-18(3)=-54(-8)=432(7)=3024(-6)=
-18144(5)=-90720(4)=-362880(16)
=5806080 (-2)=-11,612,160


6.- 11/3 + 22/8 -3/4 =1184/416=296/104
11/13 + 22/8=88+286/104=374/104
374/104 - 3/4=1496-312/416=1184/416
1184/416=296/104 (cuarta)




7.- ((13/6)(33/4)/(19/16)) + 22 -18 =8692/456=2173/114
(13/6)(33/4)=429/24 / 19/16=6864/456
6864/456 + 22/1=6864/10032/456=16869/456
16896/456 - 18/1=16896-8208/456=8692/456
8692/456=2173/114 (cuarta)




8.- 17 - 13 +62 -((33/3)(15/3)/3) =
4+62= 66/1 + 495/9=
594 + 495= 1089/9 / 3/1=
1089/279




9.- (17)(1/5)(-4)(-6)(-2/7)(1/6)(45/6)(-2)=
17/5 - 4/1= -68/5 -6/1= 408/5 - 2/7= -816/35 1/6= 816/210 45/6=
3672/1260 -2/1=
-7344/1260






10.- -15 +15 -48 -65 -36 +52 +89 -79 +62 -69 =
-94-15+15=0-48=-48-65=-113-36=-149+52=-97+89=-8-79=-87+62=-25-69=-94

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