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

Toán Lớp 6: 4/7.8/-13+4/7.(-2/13)+1 3/13.(-4/7)

Tháng Hai 5, 2023 Toán học 2 Comments 0 views

Toán Lớp 6: 4/7.8/-13+4/7.(-2/13)+1 3/13.(-4/7)

Comments ( 2 )

  1. maianhnhiquynh
    maianhnhiquynh
    5 Tháng Hai, 2023 at 8:34 sáng
    Reply
    4/7. frac\{8}{-13}+4/7.(-2/13)+1 3/13. (-4/7)
    =4/7. (-8/13)+4/7.(-2/13)+16/13. (-4/7)
    =4/7. (-8/13)+4/7.(-2/13)+(-16/13). 4/7
    =4/7.[(-8/13)+(-2/13)+(-16/13)]
    =4/7. (-2)
    =-8/7
     

  2. huyenmi76
    huyenmi76
    5 Tháng Hai, 2023 at 8:33 sáng
    Reply
    4/7 . 8/-13 + 4/7 . (-2/13) + 1 3/13 . (-4/7)
    = 4/7 . 8/-13 + 4/7 . (-2/13) + (-16/13) . 4/7
    =4/7 . [8/-13 +(-2/13) + (-16/13)]
    = 4/7 . (-2)
    = -8/7

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

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