1° RONDA 3 CALCULO MENTAL COLEGIO ILAT

0

29-8-9-2+10+45+7+7=

79

0

-5 -3 -2 + 10 =

0

0

9 x 8 -2 ÷ 2 =

35

0

5 x 7 + 3 x 2 ÷ 2 =

38

0

14 - 20  + 12 - 15 =

-9

0

6 x 6÷ 4 x 7+2+15+7+3-6=

84

0

-4 -8 -6 +10 =

-8

0

5 + 3 x 2 ÷ 2 - 4 =

4

0

-8 + 5 - 3 =

-6

0

-12 -20 -11 -3 =

46

0

505+15-30-35-45+12=

422

0

-12 x -12 = 

+ 144

0

-2 x -8 + 44 =

60

0

-15 + 14 + 5 - 23 =

-19

0

25 -20 + 18 -8 =

15

0

5 x 5+10÷7+12+8-5-10=

10