Enteros y Fracciones

Igual denominador

100

13/ 8 + 5/ 8=

9/4  o 18/8

200

2/7 - 4/7=

-2/7

300

9/ 11 - 7/11 + 8/11=

10 / 11

400

4/13 +5/13 - 6/13 -1/13=

2/13

500

3/5 + 4/5 - 2/5=

1

600

6/12 -4/12 + 7/12 -3/12=

6/12  o  1/2

700

3/20 +7/20 - 12/20 +5/20 +13/20=

16/20 o 8/10 o 4/5

Denominador diferente

100

3/7 + 5/3 =

44/21

200

4/8 - 3/4 + 3/16 =

-1/16

300

6/3 +7/9-5/6=

35/18

400

-5/8+6/40-7/20=

-33/40

500

3/4-7/8+5/8=

1/2

600

7/9-5/18 +5/4-6/12=

5/4

700

5/6 -8/7 +5/3=

19/14 o 57/42

suma y resta de enteros

100

13+65+7=

85

200

-6 -12=

-18

300

-5-7+4-2=

-10

400

3-5+6= 

4

500

-15 +45-30+43= 

43

600

-13+65-23+7-2=

34

700

-54+67-34+78+87

144

Multiplicación de enteros

100

4*-6=

-24

200

-8*-5

40

300

-9*-4*-2=

-72

400

5*-8*-3 =

120

500

143* -3=

-429

600

-7*-12*5*2=

840

700

973*-8= 

-7784

División de enteros

100

-12:6=

-2

200

-56:-8 =

7

300

45:-5:3=

-3

400

128:4=

32

500

1275:-25=

-51

600

-128:8:-4=

4

700

984:6:-4=

-41