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Problemas de Pre-Álgebra populares
5(4-2)^2+1^2(2^3-5)^2
5
(
4
−
2
)
2
+
1
2
(
2
3
−
5
)
2
longdivision 120/4
longdivision
1
2
0
4
7*(6+2)^2-3^2
7
·
(
6
+
2
)
2
−
3
2
2-3+(-5)+(-3)
2
−
3
+
(
−
5
)
+
(
−
3
)
longdivision 216/3
longdivision
2
1
6
3
longdivision 128/4
longdivision
1
2
8
4
27+3-45/5+16
2
7
+
3
−
4
5
5
+
1
6
5*2^3
5
·
2
3
longsub 1-0.7
longsub
1
−
0
.
7
simplificar 15/3
simplify
1
5
3
longsub 1-0.2
longsub
1
−
0
.
2
longdivision 12/1
longdivision
1
2
1
2^2*3^2
2
2
·
3
2
longmult 16*16
longmult
1
6
·
1
6
dectofrac 0.8
dectofrac
0
.
8
35/16
3
5
1
6
2+3(4-2)^3-4(2)
2
+
3
(
4
−
2
)
3
−
4
(
2
)
simplificar evaluate(2+3)^2-(3-5)^3
simplify
evaluate
(
2
+
3
)
2
−
(
3
−
5
)
3
longmult 0.2*0.2
longmult
0
.
2
·
0
.
2
simplificar 4*6/(2^3)
simplify
4
·
6
2
3
7+(6*5^2+3)
7
+
(
6
·
5
2
+
3
)
dectofrac 2.2
dectofrac
2
.
2
longmult 20*20
longmult
2
0
·
2
0
longmult 17*17
longmult
1
7
·
1
7
simplificar 25/100
simplify
2
5
1
0
0
(-2)^2+2
(
−
2
)
2
+
2
(7-1)^2
(
7
−
1
)
2
longmult 100*100
longmult
1
0
0
·
1
0
0
[(3-8)^2-4]-(3-8)
[
(
3
−
8
)
2
−
4
]
−
(
3
−
8
)
longdivision 180/2
longdivision
1
8
0
2
-19-(-2)-(-11)
−
1
9
−
(
−
2
)
−
(
−
1
1
)
16/81
1
6
8
1
longmult 125*5
longmult
1
2
5
·
5
4(-2)-3(-2)
4
(
−
2
)
−
3
(
−
2
)
longadd 25+144
longadd
2
5
+
1
4
4
2(-1)^2
2
(
−
1
)
2
mmc 2x^2,4x+12
lcm
2
x
2
,
4
x
+
1
2
6*2+6^4
6
·
2
+
6
4
longsub 1875-819
longsub
1
8
7
5
−
8
1
9
longmult 12*11
longmult
1
2
·
1
1
10-9*24/8*6
1
0
−
9
·
2
4
8
·
6
longdivision 225/5
longdivision
2
2
5
5
longdivision 243/3
longdivision
2
4
3
3
longdivision 84/7
longdivision
8
4
7
2^2+2
2
2
+
2
19/20
1
9
2
0
10-10*10+10
1
0
−
1
0
·
1
0
+
1
0
(4+3)^2+5
(
4
+
3
)
2
+
5
longmult 0.5*2
longmult
0
.
5
·
2
dectofrac 0.36
dectofrac
0
.
3
6
simplificar 120/15
simplify
1
2
0
1
5
longdivision (0.3)/(0.5)
longdivision
0
.
3
0
.
5
longmult 25*16
longmult
2
5
·
1
6
(0)^2+2
(
0
)
2
+
2
longmult 324.45*98.4
longmult
3
2
4
.
4
5
·
9
8
.
4
longdivision (3.45)/(2.6)
longdivision
3
.
4
5
2
.
6
dectofrac 2.5
dectofrac
2
.
5
-2+7+(-4)
−
2
+
7
+
(
−
4
)
dectofrac 0.252
dectofrac
0
.
2
5
2
4+(5-3)^3-9(3)2
4
+
(
5
−
3
)
3
−
9
(
3
)
2
longdivision 3600/60
longdivision
3
6
0
0
6
0
longmult 15*12
longmult
1
5
·
1
2
4(-7-2)
4
(
−
7
−
2
)
mmc 4,8
lcm
4
,
8
simplificar 3*8/(2^2)+1
simplify
3
·
8
2
2
+
1
dectofrac 3.2
dectofrac
3
.
2
12^2+16^2
1
2
2
+
1
6
2
25^2-24^2
2
5
2
−
2
4
2
mmc 6,9
lcm
6
,
9
-3/3 (1+(-4)(-6+5)-(-6+1))
−
3
3
(
1
+
(
−
4
)
(
−
6
+
5
)
−
(
−
6
+
1
)
)
longsub 180-48
longsub
1
8
0
−
4
8
-3+(-5)-2
−
3
+
(
−
5
)
−
2
simplificar 30/45
simplify
3
0
4
5
2(2+2)
2
(
2
+
2
)
longmult 13*12
longmult
1
3
·
1
2
7^2+3(4^2+3+2)
7
2
+
3
(
4
2
+
3
+
2
)
11/15
1
1
1
5
12^2+15^2
1
2
2
+
1
5
2
longdivision 360/2
longdivision
3
6
0
2
longmult 0.5*0.5
longmult
0
.
5
·
0
.
5
longdivision 135/5
longdivision
1
3
5
5
simplificar 14/36
simplify
1
4
3
6
longmult 0.33*12
longmult
0
.
3
3
·
1
2
9^2-6(9)+5
9
2
−
6
(
9
)
+
5
4+2*[3+2-(4-1)]
4
+
2
·
[
3
+
2
−
(
4
−
1
)
]
longmult 7.86*4.6
longmult
7
.
8
6
·
4
.
6
3+(-4)-8-(-1)
3
+
(
−
4
)
−
8
−
(
−
1
)
simplificar 45/60
simplify
4
5
6
0
longdivision 4/8
longdivision
4
8
(7+5)+4*13-2
(
7
+
5
)
+
4
·
1
3
−
2
simplificar 40/5
simplify
4
0
5
dectofrac 1.25
dectofrac
1
.
2
5
4^2+3^2
4
2
+
3
2
dectofrac 0.375
dectofrac
0
.
3
7
5
(3-5)^2
(
3
−
5
)
2
8/2 (2*2)
8
2
(
2
·
2
)
simplificar (2^5)/8+3
simplify
2
5
8
+
3
longsub 24-16
longsub
2
4
−
1
6
longdivision 62/2
longdivision
6
2
2
simplificar 15/35
simplify
1
5
3
5
1
2
3
4
5
6
7
..
212
