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Problemas de Pre-Álgebra populares
longmult 128*2
longmult
1
2
8
·
2
longmult 15*15
longmult
1
5
·
1
5
dectofrac 0.00001
dectofrac
0
.
0
0
0
0
1
-(-2)^2+4
−
(
−
2
)
2
+
4
6-3(13-2)-5^2
6
−
3
(
1
3
−
2
)
−
5
2
dectofrac 0.45
dectofrac
0
.
4
5
5^2+12^2
5
2
+
1
2
2
(5-3)^2
(
5
−
3
)
2
13/20
1
3
2
0
15^2+20^2
1
5
2
+
2
0
2
-3(5-6)-4(2-3)
−
3
(
5
−
6
)
−
4
(
2
−
3
)
-8-3+8+(-3)
−
8
−
3
+
8
+
(
−
3
)
7+2*9^2
7
+
2
·
9
2
longmult 0.1*0.1
longmult
0
.
1
·
0
.
1
(162)/([6(7-4)^2])
1
6
2
[
6
(
7
−
4
)
2
]
(6-4)*49/7
(
6
−
4
)
·
4
9
7
10-(-9)^2
1
0
−
(
−
9
)
2
6-(5+2(4-7))
6
−
(
5
+
2
(
4
−
7
)
)
dectofrac 0.25
dectofrac
0
.
2
5
3^2+5
3
2
+
5
12/4*3+18/9*3-4*3
1
2
4
·
3
+
1
8
9
·
3
−
4
·
3
10^{40}\mod 210
1
0
4
0
mod
2
1
0
longdivision 360/4
longdivision
3
6
0
4
(0)^2-4
(
0
)
2
−
4
longdivision 1/(0.25)
longdivision
1
0
.
2
5
-10-(+2)+(-5)+(+4)-(-20)
−
1
0
−
(
+
2
)
+
(
−
5
)
+
(
+
4
)
−
(
−
2
0
)
simplificar 24/40
simplify
2
4
4
0
simplificar 24/64
simplify
2
4
6
4
simplificar 14/18
simplify
1
4
1
8
((10+59-3^2))/((24-4))
(
1
0
+
5
9
−
3
2
)
(
2
4
−
4
)
4[30-(10-2)*3]
4
[
3
0
−
(
1
0
−
2
)
·
3
]
longmult 28.4*9.78
longmult
2
8
.
4
·
9
.
7
8
16*7*15+11+17
1
6
·
7
·
1
5
+
1
1
+
1
7
simplificar 18/36
simplify
1
8
3
6
14-3*4/6
1
4
−
3
·
4
6
-2^2-4
−
2
2
−
4
8/2*2+2
8
2
·
2
+
2
longmult 40*15
longmult
4
0
·
1
5
17/20
1
7
2
0
simplificar 12/18
simplify
1
2
1
8
gcd 75,105,135,165
gcd
7
5
,
1
0
5
,
1
3
5
,
1
6
5
(1+3)^2
(
1
+
3
)
2
longdivision (0.125)/2
longdivision
0
.
1
2
5
2
1*2^0
1
·
2
0
simplificar 5((7-4)^2)/3+11
simplify
5
(
7
−
4
)
2
3
+
1
1
longdivision 108/2
longdivision
1
0
8
2
(3-2)^5-7(1+4)^2+80
(
3
−
2
)
5
−
7
(
1
+
4
)
2
+
8
0
dectofrac 0.75
dectofrac
0
.
7
5
10-9*(-6)
1
0
−
9
·
(
−
6
)
-8-(-10)^2
−
8
−
(
−
1
0
)
2
longdivision 1/(2.5)
longdivision
1
2
.
5
-8-(-2)(5)
−
8
−
(
−
2
)
(
5
)
6-2*8
6
−
2
·
8
-20-30-40
−
2
0
−
3
0
−
4
0
(3-8)+[5-(-2)]
(
3
−
8
)
+
[
5
−
(
−
2
)
]
longmult 0.5*0.2
longmult
0
.
5
·
0
.
2
simplificar 2^5-(4^2)/(2^2)
simplify
2
5
−
4
2
2
2
dectofrac 0.9
dectofrac
0
.
9
7^2-5^2
7
2
−
5
2
longmult 13*13
longmult
1
3
·
1
3
dectofrac 1.2
dectofrac
1
.
2
2*10^2
2
·
1
0
2
3-(-1)+(-1)-3
3
−
(
−
1
)
+
(
−
1
)
−
3
simplificar 12/3
simplify
1
2
3
simplificar 16/64
simplify
1
6
6
4
simplificar 2[18-((5+3^2))/7 ]
simplify
2
[
1
8
−
(
5
+
3
2
)
7
]
dectofrac 0.02
dectofrac
0
.
0
2
2*(3(5+2)-1)
2
·
(
3
(
5
+
2
)
−
1
)
83-[59-(22-18)]
8
3
−
[
5
9
−
(
2
2
−
1
8
)
]
3^3*5^3
3
3
·
5
3
gcd 75,90
gcd
7
5
,
9
0
simplificar 50/10
simplify
5
0
1
0
longdivision 180/3
longdivision
1
8
0
3
simplificar 56/14
simplify
5
6
1
4
dectofrac 5.2
dectofrac
5
.
2
9-7(3-1)^2+(2+1)
9
−
7
(
3
−
1
)
2
+
(
2
+
1
)
-(-4)^2+7(-2)^4-2(-3)^3
−
(
−
4
)
2
+
7
(
−
2
)
4
−
2
(
−
3
)
3
-12+(-64)+(-17)+4
−
1
2
+
(
−
6
4
)
+
(
−
1
7
)
+
4
9+15/5*13
9
+
1
5
5
·
1
3
3(4)^2
3
(
4
)
2
(5+3)^2
(
5
+
3
)
2
2^2+3
2
2
+
3
simplificar 10/15
simplify
1
0
1
5
simplificar 10+(10-(12)/(2^2)*3)*7
simplify
1
0
+
(
1
0
−
1
2
2
2
·
3
)
·
7
longmult 0.5*10
longmult
0
.
5
·
1
0
longdivision 72/3
longdivision
7
2
3
longmult 32*32
longmult
3
2
·
3
2
2^2+1
2
2
+
1
-2(1)^2
−
2
(
1
)
2
(9*8)^4
(
9
·
8
)
4
simplificar 6*6*6
simplify
6
·
6
·
6
4(-2)^2+8(-2)+3(-2)+6
4
(
−
2
)
2
+
8
(
−
2
)
+
3
(
−
2
)
+
6
16/25
1
6
2
5
(2-3)^2
(
2
−
3
)
2
longmult 2.5*2.5
longmult
2
.
5
·
2
.
5
simplificar ((8^2-2^5))/((24/6))+3^2
simplify
(
8
2
−
2
5
)
(
2
4
6
)
+
3
2
3*2^4-16*2^3+24*4-10
3
·
2
4
−
1
6
·
2
3
+
2
4
·
4
−
1
0
dectofrac 0.125
dectofrac
0
.
1
2
5
simplificar 3*3*3
simplify
3
·
3
·
3
dectofrac 48772710.4
dectofrac
4
8
7
7
2
7
1
0
.
4
1
..
4
5
6
7
8
..
212
