(12/61-31/22+14/910x(1/2-1/3-1/6)

2 bình luận về “(12/61-31/22+14/910x(1/2-1/3-1/6)”

1. ( 12 /61 − 31 /22 + 14 /91 ) ( 1 /2 − 1/ 3 − 1 /6 )

   = ( 12/ 61 − 31/ 22 + 14 /91 ) ( 3/ 6 − 2/ 6 − 1 /6 )

   = ( 12/ 61 − 31 /22 + 14 /91 ) .0

   = 0

    

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2. Giải đáp:

   (12/61-31/22+14/910)xx(1/2-1/3-1/6)

   =(12/61-31/22+14/910)xx(3/6-2/6-1/6)

   =(12/61-31/22+14/910)xx(1/6-1/6)

   =(12/61-31/22+19/910)xx0

   =0

   *** Số nào nhân với 0 cũng bằng 0

    

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