Giúp mình với Tính a, 28/15 . 0,75 – ( 8/15 + 0,25 ) 24/47 b, 5/16 :-0,125 – ( 9/4 – 0,6 ) . 10/11 c, 28/15 . 0,75- (11/20 – 25 % ) : 7/3

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Giúp mình với
Tính
a, 28/15 . 0,75 – ( 8/15 + 0,25 ) 24/47
b, 5/16 :-0,125 – ( 9/4 – 0,6 ) . 10/11
c, 28/15 . 0,75- (11/20 – 25 % ) : 7/3

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Ruby 3 tuần 2021-11-24T17:29:24+00:00 1 Answers 1 views 0

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    2021-11-24T17:31:16+00:00

     a.

    =28/15 . 0,75 -47/60.24/47.

    =7/5-2/5

    = 1

    b.

    =5/16 :-0,125 -33/20.10/11

    =-5/4-3/2

    = -11/4

    c.

    =28/15 . 0,75-3/10:7/3

    =7/5-9/70

    =89/70

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