1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.112÷3+20=34
7.( 80÷280)÷4=21
8.7(100-10×5)=120
9.360÷40= 9
10.40×20 = 800
11.80-25= 55
12.745=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
p>
19.350-80= 270
20.1670=230
21.18-64÷8= 10
22.42÷ 6+20=27
23.40-5×7= 5
24.860÷3=100
25.41+18÷2= 50
26.75 -11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220 +80= 300
43.20×8×5= 800
44.600-3×200=0
45.220÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷ 14 = 7
p>50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷ 15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 = 40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62,85 ÷17 = 5
63,90÷15 =6
64,96÷16 = 6
65,78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40
= 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75,50÷5 =10
76,60÷8 = 7,5
77,96÷4 = 24
78,90÷6 =15
p>
79.4080 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30 = 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99,30×50=1500
100,5×700=350
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6 =2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16= 12 9/5* 27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8 =18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10 /1*90= 9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/ 2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
123 +25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5 =775... 456-12=38...
456+45=501...546-457=89... 45×10=451... 564-12=47. ..
879+54=933...896-546=350...56×12=672.... 45-5=9...
457 +456=913..
7+14=21... 18-9=9...
8+16=24... 25-5=20. ...
p>
9+18=27... 56-45=11...
120=30... 45-23= 22...
11+22=33... 78-23=55...
12+24=36...
10 -3=7
15-4=11
20-5=15
25-6=19
30-7 =23
3
5-8=27
40-9=31
45-10=35
50-11=39
55- 12=43
60-13=47
65-14=51
70-15=55
75-16= 59
80-17=63
85-18=67
90-19=71
95-20=75
100-21=79
105-22=83
110-23=87
115-24=91
120-25=95
125-26=99
130-27=103
13+26=39... p>
14+28=42...
15+30=45...
16+32=48...
17+34=51...
18+36=54...
19+38=57...
240 =60...
21+42=63...
22+44=66...
23+46=69. ..
p>
24+48=72...
25+50=75...
26+52=78. ..
27+54=81...
28+56=84...
29+58=87...
360=90...
31+62=93...
32+64=96...
33 +66=99...
p>
5 ÷1 =5
10 ÷2 =5
15 ÷3 =5
20 ÷4 =5
25 ÷5 =5
30 ÷6 =5
35 ÷7 =5
40 ÷8 =5
45 ÷9 =5
50 ÷10 =5
55 ÷11 =5
60 ÷12 =5
65 ÷13 =5
70 ÷14 =5
75 ÷15 =5
80 ÷16 5
85 ÷17 5
90 ÷18 5
95 ÷19 5
100 ÷20 5
2/1*2=1 3/1 *3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3* 14=6 8/7*40=35 4/3* 16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102 =18 19/9*76=36 4/9*8 =18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90= 9 5/3*105=63 19/7*38= 14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
12÷3/5=12×(5/3) 9÷ 6/7=9×(7/6) 30÷5 /6=30×(6/5) 4×(3/2)=4÷2/3 (4)÷5/7=4×7/5 3÷4/5=3×5/4 (24) ÷7/16=24×(16/7) A÷C/B=A
×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18 /4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/ 4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7
2/1*2=1 3/ 1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7 *40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1* 30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6 =28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
17×40＝680, 100-63＝37, 3,2＋1,68＝4,88, 2,8×0,4＝ 1,12
14－7.4＝6.6, 1.92÷0.04＝48, 0.32×500＝160, 0.65＋4.35＝5
10－5.4＝4.6, 4÷20＝0.2, 3.5×200＝700 , 1,5-0,06＝1,44
0,75÷15＝0,05, 0,4×0,8＝0,32, 4×0,25＝1, 0,36＋1,54＝2
1,01×99＝99,99, 420÷35＝12, 25×12＝300, 135÷0.5＝270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 = 7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/ 8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 = 1,5
0,51÷17＝0,03, 32,8＋19＝51,8, 5,2÷1,3＝4, 1,6×0,4＝0,64
4,9×0,7＝3,43, 1÷5＝0,2, 6 ÷12＝0.5, 0.87－0.49＝0.38
26 -6 -64 = 20 -64 = -44
27 + 3 -48 = 30 -48 = -18
p>
28 + 12 -32 = 40 -32 = 8
29 + 21 -16 = 50 -16 = 34
30 + 30 + 0 = 60 + 0 = 60
31 + 39 + 16 = 70 + 16 = 86
32 + 48 + 32 = 80 + 32 = 112
33 + 57 + 48 = 90 + 48 = 138
34 + 66 + 64 = 100 + 64 = 164
35 + 75 + 80 = 110 + 80 = 190
36 + 84 + 96 = 120 + 96
= 216
37 + 93 + 112 = 130 + 112 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 111 + 144 = 150 + 144 = 294
40 -30 -140 = 10 -140 = -130
41 -21 -124 = 20 -124 = -104
42 -12 -108 = 30 -108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = - 26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 -12 = 90 -12 = 78
49 + 51 + 4 = 100 + 4 = 104
50 + 60 + 20 = 110 + 20 = 130
51 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 234
55 -45 -200 = 10 -200 = -190
56 -36 -184 = 20 -184 = -164
57 -27 -168 = 30 -168 = -138
58 -18 -152 = 40 -152 = -112
59 -9 -136 = 50 -136 = -86
60 + 0 -120 = 60 -120 = -60
61 + 9 -104 = 70 -104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 - 72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 -40 = 110 -40 = 70
66 + 54 - 24 = 120 -24 = 96
67 + 63 -8 = 130 -8 = 122
68 + 72 + 8 = 140 + 8 = 148
69 + 81 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
71 -51 -244 = 20 -244 = -224
72 -42 -228 = 30 -228 = -198
73 -33 -212 = 40 -212 = -172
74 -24 -196 = 50 - 196 = -146
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
p>
4.30×3+8=98
5.400÷4+20×5= 200
6.112÷3+20= 34
7.(80÷280)÷4
=21
8.7(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.745=115
13.90×2= 180
14.16×6= 96
15.300 ×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80 = 270
20.1670=230
21.18-64÷8= 10
22.42÷6+20=27
23.40 -5×7= 5
24.860÷3=100
25.41+18÷2= 50
26.75-11×5= 20
p>
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120× 25= 3000
p>
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
p>
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
p>
39.23×11= 253
40.125÷25=5
41.4200 -2200=2000
42.2280= 300
43.20×8×5= 800
44.600-3×200=0
45,220÷2= 30
46,35-25÷5 = 30
47,36+8-40= 4
48,2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53,75÷15 = 5
54,120÷24 =5
55,200÷25 = 8
56,800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
p>
59.390÷13 = 30
60.600÷15 =40
61,72÷24 = 3
62,85÷17 = 5
63,90÷15 =6
64,96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920 ÷4 = 230
72.300÷60=5
73.64÷ 2 = 32
74,64÷4 = 16
75,50÷5 =10
76,60÷8 = 7,5
77,96÷4 = 24
78,90÷6 =15
79.4080 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷ 16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92,5×18= 90
93,26×4= 74
94,7×15=105
95,32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=3500
25 -15 -80 = 10 -80 = -70
26 -6 -64 = 20 -64 = -44
27 + 3 -48 = 30 -48 = -18
28 + 12 -32 = 40 -32 = 8
29 + 21 -16 = 50 -16 = 34
30 + 30 + 0 = 60 + 0 = 60
31 + 39 + 16 = 70 + 16 = 86
32 + 48 + 32 = 80 + 32 = 112
33 + 57 + 48 = 90 + 48 = 138
34 + 66 + 64 = 100 + 64 = 164
35 + 75 + 80 = 110 + 80 = 190
36 + 84 + 96 = 120 + 96 = 216
37 + 93 + 112 = 130 + 112 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 111 + 144 = 150 + 144 = 294
40 -30 -140 = 10 -140 = -130
41 -21 -124 = 20 -124 = -104
42 -12 -108 = 30 -108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = -26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 -12 = 90 -12 = 78
49 + 51 + 4 = 100 + 4 = 104
50 + 60 + 20 = 110 + 20 = 130
51 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 23
4
55 -45 -200 = 10 -200 = -190
56 -36 -184 = 20 -184 = -164
57 -27 - 168 = 30 -168 = -138
58 -18 -152 = 40 -152 = -112
59 -9 -136 = 50 -136 = -86
60 + 0 -120 = 60 -120 = -60
61 + 9 -104 = 70 -104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 -72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 - 40 = 110 -40 = 70
66 + 54 -24 = 120 -24 = 96
67 + 63 -8 = 130 -8 = 122
68 + 72 + 8 = 140 + 8 = 148
69 + 81 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
p>
71 -51 -244 = 20 -244 = -224
72 -42 -228 = 30 -228 = -198
73 -33 -212 = 40 -212 = -172
74 -24 -196 = 50 -196 = -146
2.8×0.4＝ 1.12
14－7.4＝6.6,
1.92÷0.04＝48,
0.32×500＝160,
0.65＋4.35＝ 5
10－5.4＝4.6 ,
4÷20＝0.2,
3.5×200＝700,
1.5－0.06＝1.44
0,75÷15＝ 0,05,
0,4×0,8＝0,32,
4×0,25＝1,
0,36＋1,54＝2
1.01× 99＝99.99,
420÷35＝12,
25×12＝300,
135÷0.5＝270
3/4 + 1/4 =1,
2 + 4/9 =22/9,
3 - 2/3 =7/3,
3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2,
7.5- (2,5+3,8)=1,2 ,
7/8 + 3/8 =5/4
3/10 +1/5 =1/2,
4/5 - 7 /10 =1/10,
2 - 1/6 -1/3 =1.5
0.51÷17＝0.03,
32.8＋19＝51.8,
5.2÷1.3＝4,
1.6×0.4＝0.64
4.9×0.7＝3.43,
1÷5＝0.2 ,
6÷12＝0.5,
0.87－0.49＝0.38
2/1*2=1
3/1 *3=1
3/2*3=2
3/1*6=2
4/3*
8=6
5/3*20=12
7/3*14=6
8/7*40=35
4/3*16=12
9/5*27=15
2/1*30=15
12/7*24= 14
30/1*30=1
51/9*102=18
19/9*76=36
4/9*8=18
5/8*90=144
99/98*99=98
3/14*6=28
7/1*28=4
10/1*90=9
5/3*105=63
19/ 7*38=14
5/1*25=5
8/19*16=38
61/60*122=120
7/2*28=8 6/1*48=8
9/7*18=14
25/7*100=28
9/5*81=45 8/9*16=18
2/1*2=1
3/1*3=1
3/2*3=2
3/1*6=2
4/3*8=6
5/3*20= 12
7/3*14=6
8/7*40=35
4/3*16=12
9/5*27=15
2/1*30=15
12/7*24=14
30/1*30=1
51/9*102=18
19/9*76=36
4/9*8=18
5/ 8*90=144
99/98*99=98
3/14*6=28
7/1*28=4
10/1*90=9
5/3*105=63
19/7*38=14
5/1* 25=5
8/19*16=38
61/60*122=120
7/2*28=8
6/1*48=8
9/7*18=14
25/7*100=28
9/5*81= 45
8/9*16=18
12÷3/5=12×(5/3)
9÷6/7=9× ( 7/6 )
30÷5/6=30× (6/5 )
4× (3/2 )=4÷2/3
4÷5/7=4×7/5
3÷4/5=3×5/4
24÷7/16=24×(16/7 )
A÷C/B=A×B/C
4÷4/5=5
6÷3/4=8
10÷2/5=25
18÷4/9=81/2
4×4/5=16/5
6×3/4=18/4
10×2/5=4
18×4/9=8
3÷3/4= 4
2÷1/3=6
6÷4/5=15/2
1÷5/7=7/5
3/4÷3=1/4
1/3÷2=1/6
4/5÷6=2/15
5/7÷1=5/7
2/1*2=1
3/1*3=1
3/2* 3=2
3/
1*6=2
4/3*8=6
5/3*20=12
7/3*14=6
8/7*40=35
4/3*16=12
9/5*27=15
2/1* 30=15
12/7*24=14
30/1*30=1
51/9*102=18
19/9*76=36
4/9*8=18
5/8*90=144
99/98*99= 98
3/14*6=28
7/1*28=4
10/1*90=9
5/3*105=63
19/7*38=14
5/1*25=5
8/19*16=38
61/60*122=120
7/2*28=8
6/1*48=8
9/ 7*18=14
25/7*100=28
9/5*81=45
8/9*16=18
123+25=148 123-35=88 56×7=392 135÷5=27
248+89=337 ... 146-23=123 ... 155×5 =775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45×10=451 ... 564-12=47. ..
879+54=933 ...896-546=350 ...56×12=672.... 45-5=9...
457 +456=913...
7+14=21... 18-9=9...
8+16=24... 25-5=20 ...
9+18=27... 56-45=11...
120=30... 45-23=22...
11+22=33... 78-23=55...
12+24=36...
10-3=7
15-4=11
20-5=15
25-6=19
30-7=23
35-8=27
40-9=31
45-10=35
50-11=39
55-12=43
60-13=47
65-14=51
70-15=55
75-16=59
80-17=63
85-18=67
90-19=71
95- 20=75
100-21=79
105-22=83
110-23=87
115-24= 91
120-25=95
125-26=99
130-27=103
13+26=39. ..
14+28=42...
15+30=45...
16+32=48...
17+34=51...
18+36=54...
19+38=57...
20 +40=60...
21+42=63...
22+44=6
6...
23+46=69...
24+48=72...
25+50=75...
26+52=78...
27+54=81...
28+56=84...
29+58=87...
360=90...
31+62=93...
32+64= 96...
33+66=99...
17×40=680
100-63=37
3,2＋1,68＝4,88
2,8×0,4＝11,2
14－7,4＝6,6
1,92÷0,04＝48
0,32 ×500＝160
0,65＋4,35＝5
10－5,4＝4,6
4÷20＝0,2
3,5× 200＝700
1.5－0.06＝1.04
0.75÷15＝0.05
0.4×0.8＝0.32
4×0.25＝ 1
0,36+1,54＝ 2
1,01×90＝90,9
420÷35＝12
25×12＝300
135÷0.5＝270
3/4 + 1/4 =1
2 + 4/9 =2 y 4/9
3 - 2/3 = 2 y 1/3
3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 = 1/2
7.5-(2.5+3.8)=8.8
7/8 + 3/8 =5/4
3/10 +1 / 5 =1/2
4/5 - 7/10 =1/10
2 - 1/6 -1/3 =1/6
0,51÷17＝ 0,03
32,8＋19＝ 51,8
5,2÷1,3＝4
1,6×0,4＝0,64
4,9× 0,7 ＝0.343
1÷5＝1/5
6÷12＝1/2
0.87－0.49＝0.38
17 ×40＝680
100－63＝37
3,2＋1,68＝4,88
2,8×0,4＝1,32
14 - 7,4＝ 3,6
1,92÷0,04＝48
0,32×500＝160
0,65＋4,35＝5
10－ 5,4 ＝4.6
4÷20＝1/5
3.5×200＝700
1.5－0.06＝1.44
0.75÷ 15 ＝0.05
0.4×0.8＝0.32
4×0.25＝1
0.36＋1.54＝2
1.01×100 ＝ 101
420÷35＝12
17×40＝680,
100－63＝37,
3.2＋1. ＝4,88,
2,8×0,4＝1,12
14－7,4＝6,6,
1,92÷0,04＝48,
0,32 × 500＝160,
0,65+4,35＝ 5
10－5,4＝4,6,
4÷20＝0.2,
3.5×200＝700,
1.5－0.06＝1.44
0.75÷15＝0.05,
0,4×0,8＝0,32,
4×0,25＝1,
0,36＋1,54＝2
1,01×99＝99,99,
420÷35＝12,
25×12＝300,
135÷0.5＝270
3/4 + 1/4 =1 ,
2 + 4/9 =22/9,
3 - 2/3 =7/3,
3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2,
7.5-(2.5+3.8)=1.2,
7/8 + 3/8 =5/4
3/10 +1/5 =1/2,
4/5 - 7/10 =1/10,
2 - 1/6 -1/3 =1.5
0.51÷17＝0.03,
32.8＋19＝51.8,
5.2 ÷1,3＝4,
1,6×0,4＝0,64
4,9×0,7＝3,43,
1÷5＝0,2,
6÷12＝0,5,
0,87-0,49＝0,38
Admisiones selectivas