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
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1 -1/2)(1-1/3)(1-1/4)......(1-1/100)
3,8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001－9036 ÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
p>
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2 -1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3.375* 0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95 .6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6- 5.4*0.25
p>37.16/2+30/2+90/6
38.3001-1998
39.
.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2－0.75÷0.25
47.3.27×4 +3.27×5.7
48.（1.2+ 1.8）×4.51025－768 ÷32
49.0.25×80－0.45÷0.9
50.1025－768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76 *1/4+23*25/100.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7 *1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.64128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
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
Sin decimales
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...
240=60...
21+42=63...
22+44=66...
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...
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*1
6=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
Preguntas de aritmética oral y aritmética directa:
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
Respuesta: 370116 - Líder de Artes Marciales Nivel 16 2-25 14:34
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2- 8+2
p>
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
p>
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456* 21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001 -9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/ 3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/ 5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3. 375*0.97+0.97 *6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/ 3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998
39.5000-105*34
.40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4) *4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5 ×4.2－0.75÷ 0.25
47.3.27×4 +3.27×5.7
48.(1.2+ 1.8)×4.51025－768÷32
49.0 .25×80－ 0.45÷0.9
50.1025-768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/ 9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100 +0,25
59,10-2,87-7,13
60,0,96+9,6*9,9
61,7,5-5,7*1/3
62.12.37- 3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67
.9.31-1.125-7.875
68.64128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
p>
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
Sin decimales
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...
240=60. ..
21+42=63...
22+44=66...
<p>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...
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