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

Toán Lớp 6: Tính hợp lí: (-87).(1-135)-135.87

Toán Lớp 6: Tính hợp lí:
(-87).(1-135)-135.87

Comments ( 2 )

  1. ~ Gửi cọu  (◍•ᴗ•◍)~
    (-87).(1-135)-135.87
    = (-87).(-134)-135.87
    = 87.134-135.87
    = 87.(134-135)
    = 87.(-1)
    = -87

  2. ~Bạn tham khảo~
    (-87).(1-135)-135.87
    =87.(-1).(1-135)-135.87
    =87.[(-1).1+(-1).(-135)-135]
    =87.[(-1)+135-135]
    =87.(-1)
    =-87

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