La Red de Conocimientos Pedagógicos - Conocimientos históricos - 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.

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>

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×

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>

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×

0.75÷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=