Aritmética y cálculo oral de sexto grado.
(tiene respuesta)
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=151/9*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 =6319/7*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=458/9*16=18
1÷4 /5= 7/10 ÷1= 1/9÷5=
1/2÷2/3= 3/8÷5/8= 9÷3/4=
2/7÷2 /7= 6÷1/6= 3/5÷1/3=
1/3÷1/4= 2/5÷5= 5/12÷1/ 3=
1÷10/11= 5/12÷1/8= 9/10÷3/4=
2/9÷3/18=1/4÷ 3= 12/13÷ 26=
19/6÷3/2= 2/3÷7/2= 6/7÷14/2=
16/7÷ 21/4= 29/ 3÷6= 4/3÷7=
9/9/ 4÷8= 3/12÷2/9= 1/6÷2/9=
6÷ 1/4= 20÷1/4= 1 /4÷5=
1÷3/5= 5/10÷1= 1/8÷5=
1/ 2÷1/3=3/8÷7/8＝9÷3/5＝
2/7÷2/5＝6÷1/2＝3/5 ÷1/4＝
1/3÷1/3＝2/5÷1/5＝5/12÷1/6＝
1÷1/15＝5 /12÷1/7＝9/10÷3/2＝
2/9÷3/12＝1/4÷1/2＝12/14÷26＝
19/6÷1 /2＝2/3÷1/2＝6/7÷1/2＝
16/7÷1/4= 29/3÷1/6= 1/ 3÷7=
p>1\4÷8= 3/8÷2/9= 1/6÷4/9=
6÷ 1/4= 20÷ 1/4= 1/4÷ /5=
1/2÷4/5= 7/10÷1/5= 2/9÷5=
1/2 ÷1/3= 3/8 ÷1/8= 9÷1/4=
2/7÷1/7= 6÷5/6= 3/5÷2 /3=
1/3 ÷3/4= 2/5÷1/5= 5/12÷1/13=
1÷9/11= 5/12÷7/8= 9/10÷1/4=
2/9÷5/18= 1/4÷2/3= 12/13÷1/5=
19/6÷ 3/12= 2/3÷ 7/12= 6/ 7÷1/12=
2/9÷5/18= 1/4÷2/3= 12/13÷1/5 =
19/6÷3/12=2/3÷7/12= 6/7÷1/12=
16/7÷1/24= 1/3 ÷6= 4/13÷7 =
3/4÷8= 3/8÷1/9= 1/6÷2/7=
6÷1/12 = 20÷1/5= 1 /4÷1/5=
4/9×3= 5÷1/3= 1/2÷1/3= 2/7×3/9÷ 2/
7= 21/25÷42=
4/5×3/4= 8,7 x 0,2= 4 x 0,25= 1/7 x 14= 2/3 ÷ 5/6=
1.25 x 8= 3/5 ÷ 5/8= 6/7 x 3/2= 6 x 8.8= 4/11 ÷ 4=
4/9×3/8= 5/3 ÷ 5= 0 ÷ 8/3= 4/9 -2/3= 2/7×3/2= 4/9×3/8= 5/3 ÷ 5= 0 ÷ 8/3= 4/9 -2 /3= 2/7 ÷ 1/3= 4/9 ÷ 1/9 7-2/3= 2/7×2= 41/12×4=
4÷3/16= 12 ÷9/4= 75/8 ÷5= 12×16/9= 2/3×3= 8÷9/4= 5/3÷3/5= 4/5×5/8= 7/9×9 /7= 2,64+3,6=2,4×50=3500÷70=2050-298=2+7÷9=0,3÷3%=81,2-11÷7-×3=6696÷62-6,5×10,6=
1.89÷100=0.82+0.08=73×1=0.63×10=4÷10=17÷1000=
0.56+0.4=1.25×100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794-198= 68×25= 6756 -193-207=
72×125= 97× 363×360=
4/9×3= 5÷1/3= 1/2÷1/3= 2/7×3/9 ÷2/7= 21/25÷42 = 4/5×3/4= 8,7×0,2= 4×0,25 = 1/7×14= 2/3÷5/6= 1,25×8= 3/5÷5/8= 6/7×3/2 = 6×8,8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2= 41/12×4 = 4÷3/16= 12÷9/4= 75/8÷5= 12× 16/9= 2/3×3= 8÷9/4= 5/3÷3/5= 4/5×5 /8= 7/9×9/7= 2,64 + 3,6 = 2,4 x 50 = 3500 ÷ 70 = 2050 - 298 = 2 + 7 ÷ 9 = 0,3 ÷ 3% = 81,2 - 11÷ 7 -×3= 6696÷62 -6,5×10,6 =
1\2×8=
1\3×9=
4\9×7=
9\11×8=
3\6×2\9=
5\9×7\2=
1\10×9\ 4=
23\4×2\6=
76\5×1\38=
87\9×3\19=
15\4×1\3=
56\2×1\8=
2\9×3\18=
1 \4×3=
12\13×26=
19\6×3\2=
2\3×7\2=
6\7×14\2=
16\7×21\4=
29\3×6=
1\2×6=
1\6×9=
4\3×7=
9\4×8=
3\12× 2\9=
5\9×7\5=
1\10×9\2=
24\4×2\6=
76\7×1\38=
87\6×3\19=
12\4×1\3=
56\2×1\7=
2\9×6\
18=
1\4×7=
3\13×26=
17\6×3\2=
2\3×9\2=
6\5×14\2=
16\7×28\4=
29\2×6 =
1\2×7=
1\4×9=
4\3×9=
9\4 ×11=
3\15×2\9=
5\7×7\5=
1\23×9\2=
p>
24\4×1\6=
76\13 ×1\38=
87\9×3\19=
12\5×1\3=
56\12×1\7=
2\9×15\18=
1\11×7 =
3\19×26=
17\8×3\2=
2\6×9\2=
6\15×14\2=
16\14×28\4= 29\2×4=
25 -15 -80 = 10 - 80 = 70
p>
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
p>
37 + 93 + 112 = 130 + 112 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 111 + 144 = 150 + 144 = 294
40 - 30 -140 = 10 -140 = 10
4030 -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
48 + 42 -12 = 9012 = 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 = 8088 = -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
69 + 81 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
71 -51 -244 = 20 -244 = -224224
72 -42 -228 = 30 -228 = -198
73 -33 -212 = 40 -212 = -172
74 -24 -196 = 50 - 196 = -146
11 3^3-5
12 4^2-34%
13 3,25-315%
14 7 ^3 + 445%
15 12 + 5.268,32-2569
16 123+456-52*8
17 45%+6325
18 1/2+1/3+1/4
19 789+456-78
20 45%+54%-36%
32×30= 22×30= 6×201=
17× 5= 4×60= 4500÷900=
1790= 4800÷40= 14× 201=
80÷16= 4200÷20= 2500÷50=
16×5= 32×20= 67×4=
2400÷40 = 3600 ÷60= 87÷3=
25×16= 48×9= 696÷3=
125×6= 48×25= 780÷20=
72-45= 360-85= 720÷45÷2=
300200= 48×125= 35×8=
300200= 48× 125= 35×8=
80-4= 420÷35÷2= 25×32=
45÷15= 78÷2= 45×12=
6×85= 69÷23= 67+25=
7
10-420= 50×90= 22×8×5=
12×5= 6300÷30= 690-420=
102+284= 48290= 930÷ 30=
23×3= 800×30= 2100÷70=
612÷12= 36140= 1800÷30=
880÷20 = 45×14= 3×90=
32+15= 28×7= 40×60=
32×20= 468+197= 6×80=
4700÷10= 729+302= 45-18=
2400÷20= 25×6×4= 25×28=
15×6= 125× 48= 125×16=
15+22= 102×34= 4500÷45=
25×40= 490÷35÷2= 360÷45÷2=
p>
35×18= 264-198= 2800÷25÷4=
45×22= 521-305= 3500÷25÷2=
25+40 = 5600÷16= 67+28=
35×18= 75×19+75= 41-23=
45×22= 45×6= 375+99=
7000÷70= 45+45= 624-198=
9600÷30= 630÷90= 720÷9÷4=
320×2= 50×50= 33×6×5=
12×40= 26×20= 62+18= <
560÷35÷2= 25× 4= 254+99 =
45×12= 750-570= 50÷7=
57+19= 60÷60= 70×60=
91-28= 58+79+42= 80×5×6=
90-25= 35×35+65×35= 125×80=
44-15 = 1800÷90= 125×16=
97+18= 10×24= 45×14=
26+14= 81÷27=
69÷23=
97+19= 60÷60= 70×60=
91-28= 58+79+42= 80×5×6 69÷23=
25 -15 -80 =
26 -6 -64 =
27 + 3 -48 =
28 + 12 -32
29 + 21 -16 =
30 + 30 + 0 =
31 + 39 + 16 =
32 + 48 + 32 =
33 + 57 + 48 =
34 + 66 + 64 =
35 + 75 + 80 =
36 + 84 + 96 =
37 + 93 + 112 =
38 + 102 + 128 =
39 + 111 + 144 =
40 -30 - 140 =
41 -21 - 124 =
42124 =
42 -12 -108 =
43 - 3 -92 =
44 + 6 -76 =
45 + 15 -60 =
46 + 24 -44 =
47 + 33 -28 =
48 + 42 -12 =
49 + 51 + 4 =
50 + 60 + 20 =
51 + 69 + 36 =
52 + 78 + 52 =
53 + 87 + 68 =
54 + 96 + 84 =
55 -45 -200
56 -36 -184 =
57 -27 -168 =
58 -18 -152 =
59 -9 -136
60 + 0 -120
61 + 9 -104
62 + 18 -88
63 + 27 -72 =
64 + 36 -56
65 + 45 -40 =
66 + 54 -24 =
67 + 63 -8 =
68 + 72 + 8 =
69 + 81 + 24
70 -60 -260
71 -51 -244 =
72 -42 -228 =
73 -33 -212 =
74 -24 -196 =
840 ÷20=
14×70=
960 ÷80=
36×200=
65 -18=
45 - 17=
26 +57=
19 +81=
25×30=
32+8=
270×30=
76×3=
58+34=
540-80=
420 -370 =
24×30=
820÷20=
83120=
200÷40=
75×4=
0÷38=
27×200=
720÷6=
18+ 82=
35-7=
68180=
86-6=
75×0=
99+31=
600×70=
5190=
34-16=
510÷30 =
7,2 mil millones-1,8 mil millones=
87-59=
560÷40=
960÷30=
400÷50=
960÷4=
500.000-360.000=
240×30=
24+ 75=
600-350=
15×80=
18+47=
90-24=
47-28=
86-20=
58+29=
47+38=
760 -90 =
17×30=
12×60=
910÷70=
16×60=
150÷10= <
620÷20=
950÷50=
300÷4=
5 +36 =
28+57=
84160=
280÷40=
65
+30=
42×9=
32×50= 630÷90= 24×7= 16×60= 62×7= 49+38=
720÷40= 750÷50= 50×8= 52×3= 400÷50= 7250=
840×40= 180÷60= 91×7 12×60= 17× 30= 635-199=
44+48= 770÷7= 14×70= 125×8= 90-28= 35×5=
860÷20= 72 210= 91-32= 820÷20= 47-27= 53-25=
870×30= 53×6= 540-80= 40×25=
720÷ 60-8= 280÷2= (62+28)×6= 25×4-23= 150×(5+2)=
9×40÷9= 900÷50-10 = 720÷20÷2= 63+48+52= 304-167-33=
194+84+106= 786+125+75= 60×8-40= 30098÷2= 640÷(4×2)=
90×(560÷70)= 300÷6+2500= 28×(210÷7)= 420÷6÷70= 600-25×5=
640÷80= 15×5= 23×3= 12×2×5=
480÷80= 16×5= 27×3= 90÷15=
48÷4= 640÷16= 39÷3= 24×20=
32×3= 48÷16= 12×8= 27×3=
56÷14= 24÷8= 14×2= 83-45=
560÷80= 96÷24= 40÷20= 40×30=
37+26= 76-39= 605+59= 30×23=
12×8= 27+32= 48+27= 4500×20=
73+15= 120×600= 200×360= 6800×400=
28270= 4×2500= 6000÷40= 5×1280=
310-70= 400×14= 47180= 1000÷25=
160×600= 20×420= 290×300= 8100÷300=
7600÷ 200= 7600÷400= 68270= 980÷14=
4200÷30= 6×1300= 1300×50= 200×48=
930-660= 53280= 9200÷400= 840÷21=
180×500= 8000÷500= 1900÷20= 200×160=
8700÷300= 300×330= 3×1400= 7000÷14=
600 ÷12= 9600÷80= 140×300= 8800÷40=
9600÷800= 750-290= 5×490= 760×20=
7500÷500= 370 ×200= 650÷13= 8600-4200=
4/9×3= 5÷1/3= 1/2÷1/3= 2/7×3/9÷2/7= 21/25÷42= 4/5×3/4= 8,7×0,2= 4×0,25= 1/7×14= 2/3÷5/6= 1,25×8= 3/5÷5/8= 6/ 7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -
2/3= 2/7×2 = 41/12×4= 4 ÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 = 2/3×3= 8÷9/ 4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/7 = 2,64+3,6=2,4×50=3500÷70=2050-298=2+7÷9=0,3÷ 3%=81,2-11÷7-×3=6696÷62-6,5×10,6=
1,89÷100=0,82+0,08= 73×1= 0,63×10= 4÷10= 17÷1000 =
0,56+0,4= 1,25×100= 5,6+99=
100÷25= 1-0,93= 90-0,9=
794-198= 68×25= 6756-193-207=
72×125= 97 ×360 + 3×360=
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=364/9*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
2.8×0.4=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,
p>
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)