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

Toán Lớp 6: c) 44 . (-50) – 50 .56 d) (-41) (59 + 2) + 59(41 – 2)

Home/ Toán Lớp 6: c) 44 . (-50) – 50 .56 d) (-41) (59 + 2) + 59(41 – 2)

Toán Lớp 6: c) 44 . (-50) – 50 .56 d) (-41) (59 + 2) + 59(41 – 2)

Tháng Tám 30, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: c) 44 . (-50) – 50 .56
d) (-41) (59 + 2) + 59(41 – 2)

Comments ( 2 )

  1. ngoclandiep
    ngoclandiep
    30 Tháng Tám, 2022 at 2:30 chiều
    Reply
    c) 44 . ( – 50 ) – 50 . 56
    = 50 . ( – 44 – 56 )
    = 50 . ( -100 )
    = – 5000
    d) ( – 41 ) ( 59 + 2 ) + 59 . ( 41 – 2 )
    = – 41 . 59 – 41 . 2 + 59 . 41 – 59 . 2
    = 59 . ( – 41 + 41 ) – 2 . ( 41 + 59 )
    = 59 . 0 – 2 . 100
    = 0 – 200
    = – 200

  2. dongoctuan
    dongoctuan
    30 Tháng Tám, 2022 at 2:30 chiều
    Reply
    Giải đáp:
    c)
    44.(-50)-50.56
    =44.(-50)+(-50).56
    =-50.(44+56)
    =-50.100
    =-5000
    d)
    (-41).(59+2)+59.(41-2)
    =(-41).59+(-41).2+59.41-59.2
    =(-41.59+59.41)+(-41.2-59.2)
    =0+2.(-42-59)
    =2.(-100)
    =-200

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

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