Respuesta :

Answer:

38

Step-by-step explanation:

1) 1/2(10q-7q)

2) 1/2(10*9 - 7*2)

3) 1/2(90-14)

4) 1/2(76)

5) 38

Answer:

38

Step-by-step explanation:

firstly let us subtitute the values in the equation

1/2(10×9-7×2)

1/2(90-14)

1/2(76)

=38

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