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

Toán Lớp 5: (1999×1998+1998×1997) x (11/2:11/2-11/3)

Home/ Toán Lớp 5: (1999×1998+1998×1997) x (11/2:11/2-11/3)

Toán Lớp 5: (1999×1998+1998×1997) x (11/2:11/2-11/3)

Tháng Chín 24, 2022 Toán học 2 Comments 0 views

Toán Lớp 5: (1999×1998+1998×1997) x (11/2:11/2-11/3)

Comments ( 2 )

  1. hienchaudiem
    hienchaudiem
    24 Tháng Chín, 2022 at 1:40 chiều
    Reply
    (1999xx1998+1998xx1997) xx (1 1/2:1 1/2-1 1/3)
    =1998xx(1999+1997) xx (3/2xx2/3-4/3)
    =1998xx3996 xx (1-4/3)
    =1998xx3996 xx (3/3-4/3)
    =1998xx3996 xx (-1)/3
    =-666xx3996

  2. catlantuong
    catlantuong
    24 Tháng Chín, 2022 at 1:39 chiều
    Reply
    (1999×1998+1998×1997) x (1   1/2:1và1/2-1   1/3)
    (1999×1998+1998+1997)×(1/1+1/2:3/2-4/3)
    (1999×1998+1998+1997)×(1/1+1/2×2/3-4/3)
    1999×1998+1998+1997)×(1/1+1/3-4/3)
    (1999×1998+1998+1997)×(4/3-4/3)
    (1999×1998+1998+1997)×0
    0

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

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