300 preguntas de aritmética oral para quinto grado en el primer semestre Las preguntas de aritmética oral para quinto grado incluyen suma, resta, multiplicación y división con algunos decimales. Debes poder hacer la aritmética de forma oral.
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= p>
p>
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×
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+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>
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> 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= p>
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×
0.75÷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= p>
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=