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

Toán Lớp 6: 101 – 102 – (- 103) – 104 – ( – 105) – 106 – (-107) -108 – ( -109) -110 )

Toán Lớp 6: 101 – 102 – (- 103) – 104 – ( – 105) – 106 – (-107) -108 – ( -109) -110 )

Comments ( 2 )

  1. Giải đáp:
    101 – 102 – (- 103) – 104 – ( – 105) – 106 – (-107) -108 – ( -109) -110 )
    =101−102+103−104+105−106+107−108+109−110
    =(101+109)+(−102−108)+(103+107)+(−104−106)+(105−110)
    =110+(−110)+110+(−110)+(−5)
    =(110−110)+(110−110)+(−5)
    =0+0−5
    =−5
     

  2. Giải đáp+Lời giải và giải thích chi tiết:
    101-102-(-103)-104-(-105)-106-(-107)-108-(-109)-110
    =101-102+103-104+105-106+107-108+109-110
    =(101+109)+(-102-108)+(103+107)+(-104-106)+(105-110)
    =110+(-110)+110+(-110)+(-5)
    =(110-110)+(110-110)+(-5)
    =0+0-5
    =-5

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

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