Antologia De Mate

Cuaderno Matemáticas I

Evaluación

Examen 50
Cuaderno 10
Tareas 10
Participación 20
Autoevaluación 10
1er Parcial 25
2do Parcial 25
3er Parcial 25
Semestral 25

RESTA.

26-81=-55
-94+39=-55
47-42=-45
-76-89=-97
24-73=-49
-68+39=-29
14-82=-68
-67-56=-123
26-73=-47
-48+19=-29
34-92=-58
-77+29=-48
46-83=-37
-58-76=-134
-87+28=-59
35-91=-56
-74-87=-161
29-62=-33-93+29=64

LEYES DE LOS SIGNOS.

(+)(+) = +
(-)(-) = +
(+)(-) = -
(-)(+) = -

Ejemplos:
(-6)(7)=-42
(4)(-9)=-36
(-5)(-8)=40
(3)(2)=6

Paréntesis:
1) -2-3(4-5(6-9)-16)+24
-2-3(4-5(-3)-16)+24
-2-3(4+15-16)+24
-2-3(3)+24
-2-9+24
24-11=13

2) 5-4(6-3(8-15)-19)+14
5-4(6-3(-7)-19)+14
5-4(6+21-19)+14
5-4(8)+14
5-32+1419-32=-13
Ejercicios:
1) -7-2(9-6(7-11)-15)-36
-7-2(9-6(-4)-15)-36
-7-2(9+24-15)-36
-7-2(18)-36
-7-36-36=-79

2) -6-5(4-7(-12+7)-18)+36
-6-5(4-7(-5)-18)+36
-6-5(4+35-18)+36
-6-5(20)+36
-6-105+36=-75

3) -9-3(4-6(5-2(-12+8)-11)-24)+32
-9-3(4-6(5-2(-4)-11)-24)+32
-9-3(4-6(5+8-11)-24)+32
-9-3(4-6(2)-24)+32-9-3(4-12-24)+32
-9-3(32)+32
-9-96+32=-73

4) -7-5(9-2(5-6(7-11)-21)+15)-12
-7-5(9-2(5-6(-4)-21)+15)-12
-7-5(9-2(5+24-21)+15)-12
-7-5(9-2(8)+15)-12
-7-5(9-16+15)-12
-7-5(8)-12
-7-40-12=-59

5) 2(7-4(5-3(8-10)-4(5-7(9-13)-25)-15)+12)-15
2(7-4(5-3(-2)-4(5-7(-4)-25)-15)+12)-15
2(7-4(5+6-4(5+28-25)-15)+12)-152(7-4(5+6-32-15)+12)-15
2(7-4(-36)+12)-15
2(7+144+12)-15
2(163)-15
326-15=311

6) -6-8(5-4(7-3(5-7(6-3)-4(5-8(3-7)-31)+25)-13)+14)-17
-6-8(5-4(7-3(5-7(3)-4(5-8(-4)+31)+25)-13)+14)-17
-6-8(5-4(7-3(5-21-4(5+32-31)+25)-13)+14)-17
-6-8(5-4(7-3(5-21-24+25)-13)+14)-17
-6-8(5-4(7-3(-15)-13)+14)-17
-6-8(5-4(7+45-13)+14)-17-6-8(5-4(39)+14)-17
-6-8(5-156+14)-17
-6-8(-137)-17
-6+1096-17
1096-23=1073

7) -5-2(4-3(6-5(9-2(7-11)-2(4-3(-12+8)-15)-4)+6)-11)+13
-5-2(4-3(6-5(9-2(-4)-2(4-3(-4)-15)-4)+6)-11)+13
-5-2(4-3(6-5(9+8-2(4+12-15)-4)+6)-11)+13
-5-2(4-3(6-5(9+8-2(1)-4)+6)-11)+13
-5-2(4-3(6-5(9+8-2-4)+6)-11)+13
-5-2(4-3(6-5(11)+6)-11)+13
-5-2(4-3(6-55+6)-11)+13-5-2(4-3(-43)-11)+13
-5-2(4+129-11)+13
-5-2(122)+13
-5-244+13
13-249=-236

Tarea:
1) 4-2(5-6(7-10)-20)-15
4-2(5-6(-3)-20)-15
4-2(5+18-20)-15
4-2(3)-15
4-6-15=-17

2) 7-3(4-2(5-6(3-7)-21)+15)-13
7-3(4-2(5-6(-4)-21)+15)-13
7-3(4-2(5+24-21)+15)-13
7-3(4-2(8)+15)-13
7-3(4-16+15)-13
7-3(3)-137-9-13=-15

3) 4-7(5-2(7-3(4-6)-5(2-3(4-6)-10)+12)-15)+13
4-7(5-2(7-3(-2)-5(2-3(-2)-10)+12)-15)+13
4-7(5-2(7+6-5(-2)+12)-15)+13
4-7(5-2(7+6+10+12)-15)+13
4-7(5-70-15)+13
4-7(-80)+13 = 4+560+13=577
FRACCIONES.

1) 73+63=133

2) 64+124=184=92

3) 126+46=166=83

4) 56+34=10+912=1912

5) 78+36=21+1224=3324=118

6) 810+915=24+1830=4230=75

7)46+58+712=16+15+1424=4524=158

Ejemplos:

1) 512+316=20+948=2948

2) 718+512=14+1536=2936

3) 46+59=12+1018=2218=119

4) 816+618=72+48144=120144=6072=3036=56

Ejercicios:

1) 712+516=28+1548=4348

2) 524+718=15+2872=4372

3) 716+318=63+24144=87144=2948

4) 49+512=16+1536=3136

5) 312+418+516=36+32+45144=113144

Ejercicios:
1) 56+412+58=20+8+1524=4324

2)316+514+418=189+360+2241008=7731008

3) 524+618+412=15+24+2472=6372=2124=78

4) 78+86+910=105+160+108120=373120

5) 416+312+58=12+12+5048=5448=2724=98

6) 18002400+27003600=1824+2736=34+34=64=32

7) 24001600+35002000=2416+3520=128+74=64+74=134

8) 36001800+25003000=3618+2530=42+56=24+1012=3412=176

9) 36004800+24005400=3648+2454=34+49=27+1636=4336

10) 12003600+24004800=13+12=2+36=56

RESTA DE...