Problemas de aritmética oral de multiplicación y división de primaria
2 16×4,5×2
3. >
5, 7,8÷1,2
6, 1,6×1,4×0,25
7, 1,5×2
8, 23,15×0,26
9, 0,123×0,056
10, 0,56×1,56×2,5
11, 1,25+0,65×0,4
12, (3,5-1,6 )×1,5
13, 12×1,5+1,1
14, 156,01×200,56
15, 0,564×1,78
16, (0,56-0,45)×1,5
17, 12×1,5+16
18, 1,604×0,25+5,65
19, 1,56×0,4
20, 0,014÷0,7
21, 3,33÷0,37
22, 12÷1,56 (representación decimal del ciclo económico)
23, 1,7+ 1,8×9
24, 56,01÷12,56 (representación decimal del ciclo económico)
25, 1,5÷0,12
26, 0,12÷1,5
27, 12.4÷3.1
28, 7.8÷3.6 (Notación decimal del ciclo económico)
29, 2.36÷1.18 (Notación decimal del ciclo económico)
30. 1,56+1,7÷2,5
31.2+0,2×2,4
32. >
34, 8.6×0.8
35, 3×0.2
36, 7÷3 (representación decimal del ciclo económico)
37, 2÷ 0,3 (representación decimal del ciclo económico)
38, 0,056×1,56+0,145
39, 1,2×5-0,56
40, 2,502×1,354
41, 4.56×2.25
42, 8.1÷3.6
43, 3.6÷0.06
44, 10÷7 (Representación decimal del ciclo económico )
45, 2,3×0,25
46, 17÷0,25
47, 0,4+1,7×0,5
48, 0,85- 1,5×0,2
49, 100×1,4÷700
50, 2,6×2,4
51, 710÷0,142
52, 1.2÷1.6
53, 15÷16
54, 17÷18 (Representación decimal del ciclo económico)
55, 2÷0.6 (Representación decimal del ciclo económico) representación decimal )
56, 1.5+10.2×1.8
57, 1.8÷9×6
58, 6×1.8
59, 1,89+10,25×45
60, 200×0,45
61, 90÷4,5
62, 7÷9 (representación decimal del ciclo económico)< /p >
7.2÷2.4= 0.0÷3.1= 6.4÷3.2= 2.9÷1.9= 3.6÷0.9= 0.2÷0.1=
13.1÷3.2= 0.4÷0.6= 12.4÷3.1= 3.4 ÷1,0 = 8,9÷2,7= 4,9÷1,3=
5,0÷2,8= 8,0÷3,2= 1,5÷1,5= 6,2÷1,4= 4,0÷3,3= 11,8÷2,8=
4,3 ÷1,0 = 0,0÷0,0= 3,6÷1.
1= 3,9÷1,7= 1,9÷1,6= 7,0÷2,0=
1,9÷3,8= 6,0÷1,7= 0,5÷1,6= 9,0÷2,3= 3,0÷0,9= 2,9÷1,4=
2.6÷0.7= 2.8÷1.1= 6.4÷2.0= 0.3÷2.7= 2.5÷3.6= 0.2÷0.4=
2.2÷2.0= 3.1÷3.9= 5.0÷2.4= 6.0÷4.3= 7.6 ÷2.3= 4.4÷2.6=
5.4÷3.6= 0.2÷0.3= 1.0÷0.4= 12.9÷3.3= 2.9÷2.6= 0.2÷0.5=
6.3÷3.3= 13.1 ÷4.1= 0.8÷0.3= 7.6÷1.9= 4.5÷3.2= 2.1÷1.0=
2.7÷3.4= 10.5÷3.0= 10.2÷3.2= 9.9÷2.2= 5.2÷3.7= 2.7÷0.9=
1.1÷3.7= 2.6÷0.8= 9.2÷4.4= 4.2÷1.4= 0.8÷0.3= 4.8÷2.8=
2.9÷2.1= 2.3÷3.9= 16.0÷3.9= 8,6÷2,7= 0,9÷0,5= 1,1÷1,2=
7,5÷2,5= 9,4÷2,3= 0,8÷0,6= 0,3÷1,0= 1,7÷0,4= 1,8÷3,0=
0,4÷0,1= 11,9÷3,4= 7,0÷1,9= 2,3÷0,8= 2,3÷0,6= 1,2÷3,9=
0,3÷0,1= 7,2÷3,0= 5,2÷1,2= 1,8÷0,4= 2,7÷0,8 = 2,5÷0,6=
7,6÷3,8= 8,4÷4,2= 12,2÷3,4= 1,1÷2,8= 3,7÷1,7= 2,2÷0,6=
16,8÷4,2= 0,3÷0,6 = 2,5÷2,5= 0,2÷2,4= 18,5÷4,3= 1,6÷3,2=
7,2÷3,6= 0,2÷0,8= 1,1÷1,8= 0,4÷0,3= 1,9÷3,8= 0,4÷0,5= p>
1.6×1.0= 0.6×1.3= 4.4×2.8= 4.9×3.3= 3.7×0.5= 3.2×3.3=
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
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* 25/100.25
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
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* 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×(15
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 p>
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
Entrevistado: 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
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
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< / p>
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
p>45.403÷13×27
46.1.5×4.2-0.75÷0.25
47.3.27×4 +3.27×5.7
4
8.(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
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
<p>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 p>
p>
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×( 15
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