100 preguntas de aritmética oral para estudiantes de primaria
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6 ÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65 +4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3 /4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3 /10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4= p> p>
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75 ÷15 = 0,4×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3/4 + 1 /4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/ 8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷ 17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17×40= 100- 63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5× 200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 13
5÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1 /6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87 -0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1 /2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1 /5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4 = 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8 = 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4 /9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/ 8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7
= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04 = 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25 = 0,36+1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 = p>
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3 /4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5 +3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17× 40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷ 20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/ 6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12 = 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35 =
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99=
420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1 ÷5= 6÷12= 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32 ×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36 +1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2 /3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6× 0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4= p> p>
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3 /4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5 +3.8 )= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17× 40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷ 20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/ 6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1 /6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0
.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/ 4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+ 3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17×40 = 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20 = 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420÷35= 25×12 = 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36+1,54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 + 1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14- 7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4× 0,8= 4×0,25= 0,36+1,54
=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75 ÷15= 0,4×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3/4 + 1 /4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷ 17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17×40= 100- 63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5× 200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷ 0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/ 2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49 =
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2 =
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+1
9= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+ 1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5- 0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5= p>
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/ 6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1 ÷5= 6÷12= 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32 ×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36 +1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2 /3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6× 0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4= p> p>
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0,75÷15= 0,4×0,8=
4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/ 9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2 ÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8 ×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5 -(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = p> p>
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10 -5,4 = 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420 ÷35 = 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/ 10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷ 5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32× 500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4×0,8= 4×0,25= 0,36+ 1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/ 3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
<p>0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17× 40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷ 20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25× 12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/ 6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12 = 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14-7,4= 1,92÷0,04= 0,32×500= 0,65+4,35 =
10-5.4= 4÷20= 3.5×200= 1.5-0.06=
0.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+19= 5,2÷1,3= 1,6×0,4=
4,9×0,7= 1÷5= 6÷12= 0,87-0,49=
17×40= 100-63= 3,2+1,68= 2,8×0,4=
14 -7,4= 1,92÷0,04= 0,32×500= 0,65+4,35=
10-5,4= 4÷20= 3,5×200= 1,5-0,06=
0,75÷15= 0,4 ×0,8= 4×0,25= 0,36+1,54=
1,01×99= 420÷35= 25×12= 135÷0,5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0,51÷17= 32,8+ 19= 5.2÷1.3= 1.6×0.4=
4.9×0.7= 1÷5= 6÷12= 0.87-0.49=
17×40= 100-63= 3.2+ 1.68= 2.8×0.4=
14-7.4= 1.92÷0.04= 0.32×500= 0.65+4.35=
10-5.4= 4÷20= 3.5×200= 1.5- 0.06=
0
.75÷15= 0.4×0.8= 4×0.25= 0.36+1.54=
1.01×99= 420÷35= 25×12= 135÷0.5=
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7,5-(2,5+3,8 )= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17= 32.8+19= 5.2÷1.3= 1.6×0.4=
4.9×0.7 = 1÷5 = 6÷12 = 0.87-0.49 = 500 Porque también soy estudiante de primaria.