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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: (2/3- 5/2) 6/11 – ( 2/3+ 5/2) 6/11

Tháng Ba 12, 2022 Toán học 2 Comments 0 views

Toán Lớp 7: (2/3- 5/2) 6/11 – ( 2/3+ 5/2) 6/11

Comments ( 2 )

  1. trucoanh55
    trucoanh55
    12 Tháng Ba, 2022 at 1:48 sáng
    Reply
    ($\dfrac{2}{3}$ – $\dfrac{5}{2}$) $\dfrac{6}{11}$ – ($\dfrac{2}{3}$ + $\dfrac{5}{2}$) $\dfrac{6}{11}$ =

  2. thucquyenlan
    thucquyenlan
    12 Tháng Ba, 2022 at 1:48 sáng
    Reply
    (2/3-5/2). 6/11-(2/3+5/2). 6/11
    = -11/6 . 6/11 – 19/6 . 6/11
    = (-11/6 – 19/6) . 6/11
    = -5 . 6/11
    = -30/11

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222-9+11+12:2*14+14 = ? ( )

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