Respuesta :

Answer:

1.81

2.36

3.40

4.54

5.80

6.-40

7.-60

Step-by-step explanation:

1.y= 9*9

2.a = 3*12

3.n = -4 * -10

4. x = 9*6

5.d = -8 * -10

6. t = -2 * 20

7. g = 10* -6

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