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Tareas para los alumnos de la Escuela Preparatoria Lázaro Cárdenas de la UMSNH, en Uruapan, Michoacán México
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Tarea 4 Ejercicio 26Resta de polinomios con coeficientes fraccionarios
Efectuar las restas siguientes y hallar el valor numérico del resultado, para:
52,
23,5,4,3,2,1 ======= nmyxcba
1 De aba −2 restar 23 bab +
2 De 33 ba + restar 322 265 babba −+−
3 De a21 restar acb +−
35
21
4 De 22 53 nm − restar 22 108 nmnm ++
5 De 4224 1518 yyxx +− restar 433 9616 yxyyx +−−
6 De 323 7 mama +− restar 322 585 mmaam −+−
7 De 22
51
87
32 baba −+ restar 22
101
61 baba −+
8 De 322
21
43
32 nmnnm −+ restar 3223
21
41
61 nmnnmm −−−−
9 Restar 3324 5 baba − de 5425 3 bbaa +−
10 Restar ab15 de mxmnab 810 −+−
11 Restar 22 911 abba − de 3a
12 Restar83
65
32 2 −+ xx de 4
641 x
13 Restar 323
251
53
43 yxyx −− de 223
52
163 xyyxx −+
14 Restar 231 9 −−− +− xxx aaa de 231
65
52 −−− +−+ xxxx aaaa
RESPUESTAS
1 De aba −2 restar 23 bab +
22
2
2
4
3
baba
bababa
−−
−−
−
11121
481221414 2222
−=−=
−−=−⋅⋅−=−− baba
2 De 33 ba + restar 322 265 babba −+−
2233
223
33
653
652
abbaba
abbabba
−++
−+
+
112435
2424101834162151
232162151365 32233223
=−=
+−+=⋅+⋅⋅−⋅⋅+=
⋅+⋅⋅−⋅⋅+=+−+ babbaa
3 De a21 restar acb +−
35
21
cba
cba
cba
a
35
21
21
35
21
221
35
21
21
+−−
+−−
+−−
( ) ( ) ( )
27
2103
21021
5121
315
22
21
3352
211
21
35
21
21
=
+−=
+−−=
+−−=
+−−=
+−−=+−− cba
213=
4 De 22 53 nm − restar 22 108 nmnm ++
mnnm
mnnmnm
8152
81053
22
22
22
−−
−−−
−
1027
107245
10482445
524
512
29
1048
2560
418
1068
25415
492
52
238
5215
2328152
2222
−=
−=
−−=
−−=−−=
−
−
=
−
−
=−− mnnm
1072−=
5 De 4224 1518 yyxx +− restar 433 9616 yxyyx +−−
432234
433
4224
661816
96161518
yxyyxyxx
yxyyxyyxx
++−+
−+
+− ( ) ( ) ( ) ( ) ( ) ( )( ) ( )( )( ) ( )( ) ( )( ) ( )
49263750300072005120256
6256125462516185641625656546541854164
661816432234
432234
=++−+=
++−+=++−+=
++−+= yxyyxyxx
926,4=
6 De 323 7 mama +− restar 322 585 mmaam −+−
3223
322
323
682
5857
mmaama
mmaammama
+−−
+−
+−
( ) ( ) ( )
419
46685
48148184
48112
291
8162
224
4181
8276
238
4921
236
2318
23121682
32
233223
=−
=+−−
=
+−−=+−−=
+
−
−=
+
−
−=+−− mmaama
434=
7 De 22
51
87
32 baba −+ restar 22
101
61 baba −+
22
22
22
22
101
81
63
1012
887
614
101
61
51
87
32
baba
baba
baba
baba
−−
+−+
−+
−
+−−
−+ ( ) ( )( ) ( )
203
201310
208510
52
41
21
104
82
63
41012
811
63
210121
811
63
101
81
63 2222
−=
−=
−−=
−−=−−=
⋅−⋅−⋅=
−−=−− baba
203
−=
8 De 322
21
43
32 nmnnm −+ restar 3223
21
41
61 nmnnmm −−−−
223
3322
3322
3322
322
65
21
44
65
21
413
614
21
41
61
21
43
32
mnnmm
mnmnnm
mnmnnm
mnmnnm
nmnnm
++
+++
+++
++
+++
−+
200873
200481506755012
12090
827
254
23
52
49
65
827
52
23
52
23
65
23
65 223
223
=++
=
++=
+
+
=
+
+
=++ mnnmm
200873
=
9 Restar 3324 5 baba − de 5425 3 bbaa +−
54233245
3324
5425
35
53
bbababaa
bababbaa
+−+−
+−
+−
215273
32484041321613815411
221321521135
54233245
54233245
=−=
+−+−=+⋅⋅−⋅⋅+⋅−=
+⋅⋅−⋅⋅+⋅−=
+−+− bbababaa
21=
10 Restar ab15 de mxmnab 810 −+−
mxmnab
abmxmnab
81016
15810
−+−
−−+−
7448632
296
106032
4238
52
23102116
81016
−=−+−=
−+−=
⋅⋅−⋅⋅+⋅⋅−=
=−+− mxmnab
74−=
11 Restar 322 911 babba −− de 3a
3223
322
3
911
911
babbaa
babbaa
++−
++−
73037
836221841921111
221921111911
3223
3223
=−=
++−=+⋅⋅+⋅⋅−=
+⋅⋅+⋅⋅−=
=++− babbaa
7=
12 Restar83
65
32 2 −+ xx de 4
641 x
83
65
32
641
83
65
32
641
24
2
4
+−−
−+
xxx
xx
x
85
24
24
9877
24231
2498025696
83
620
3324
83
620
332
64256
834
6516
32256
641
834
654
324
641
83
65
32
641
−=
−=−
=+−−
=
+−−=
+−−=
+⋅−⋅−⋅=
+⋅−⋅−⋅=
=+−− xxx
859−=
13 Restar 323
251
53
43 yxyx −− de 223
52
163 xyyxx −+
3223
3223
323
223
251
51
163
41
251
532
163
434
251
53
43
52
163
yxyyxx
yxyyxx
yxyx
xyyxx
+++
++−
++−
++−
−+
565201516
25125
5100
16240
464
125251254
51516
16364
41
525154
5154
1634
41
251
51
163
41
3223
3223
=+++=
+++=
⋅+⋅⋅+⋅⋅+⋅=
⋅+⋅⋅+⋅⋅+⋅=
+++ yxyyxx
56=
14 Restar 231 9 −−− +− xxx aaa de 231
65
52 −−− +−+ xxxx aaaa
31
31
321
321
649
53
6545
552
965
52
−−
−−
−−−
−−−
+−
+−+
−+
+−−
−++
xxx
xxx
xxx
xxxx
aaa
aaa
aaa
aaaa
3017
134
34144
31
830257
3018275
302451830
649
531
16
491531
16491
531
16491
531
649
53
==
−=
+−=
+−=
⋅+⋅−=
⋅+⋅−=
⋅+⋅−=
+−
−−
−− xxx aaa
30178=
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