Question

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Answer 1

Answer:

3/4

Step-by-step explanation:

1/ 1*2 + 1/ 2*3 + 1/ 3*4

1/2 + 1/6 + 1/12

Find common denominators.

1/2 = 6/12

1/6= 2/12

1/12 = 1/12

6/12 + 2/12 + 1/12 = 9/12

simplify

9/12 = 3/4

Answer 2

Answer:

hlo.....

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