Examen de matemáticas de segundo grado para estudiantes de primaria [Respuesta 65438 + 00 minutos por día]
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 p>
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
No 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 ...
16+32=48...
17+34=51...
p>
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 ...
26+52=78 ...
27+54=81...
p>
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
p>
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