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Ejercicios de Sumar, Multiplicar y Restar

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Ejercicios de sumar

Sumar.

1 a. ______ + 36 + 2 = 51 1 b. 178 =74 + 49 + _________

2 a. 149 =74 + _________ + 21 2 b. 34 =11 + 19 + ______

3 a. ______ + 7 + 36 = 84 3 b. 82 =67 + 6 + ______

4 a. 20 =______ + 2 + 4 4 b. 23 + ______ + 99 = 143

5 a. 85 =32 + ______ + 18 5 b. 182 =73 + ______ + 59

6 a. ______ + 15 + 20 = 64 6 b. 110 =______ + 18 + 20

7 a. 181 =71 + 23 + _________ 7 b. 43 + 39 + _________ = 177

8 a. 106 =52 + ______ + 10 8 b. 52 + 36 + ______ = 117

9 a. 118 =72 + 15 + _________ 9 b. 61 + _________ + 71 = 173

10 a. _________ + 39 + 49 = 107 10 b. 15 + 62 + ______ = 82

11 a. 107 =52 + 23 + _________ 11 b. 44 + 12 + ______ = 60

12 a. 77 + 42 + _________ = 209 12 b. _________ + 34 + 100 = 174


1 8 0 4 8 1 5 5 7 0
a x 7 b x 5
. .

   

2 2 4 0 0 2 4 4 5 6
a x 2 b x 6
. .

   

3 2 0 3 9 3 7 2 7 8
a x 4 b x 8
. .

   

4 7 4 3 2 4 8 3 8 2
a x 3 b x 9
. .

   

5 5 3 6 5 5 9 7 2 5
a x 5 b x 4
. .

   

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