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

Toán Lớp 6: Tính 31 : { 330 : [ 178 – 4 . ( 35 – 21 : 3 ) ] }

Toán Lớp 6: Tính
31 : { 330 : [ 178 – 4 . ( 35 – 21 : 3 ) ] }

Comments ( 2 )

  1. 31 : { 330 : [ 178 – 4 . ( 35 – 21 : 3 ) ] }
    = 31 : { 330 : [ 178 – 4 . ( 35 – 7 ) ] }
    = 31 : { 330 : [ 178 – 4 . 28 ] }
    = 31 : { 330 : [ 178 – 112 ] }
    = 31 : { 330 : 66 }
    = 31 : 5 = 31/5

  2. 31 : { 330 : [ 178 – 4 . ( 35 – 21 : 3 ) ] }
    =31 : { 330 : [ 178 – 4 . ( 35 – 7 ) ] }
    =31 : { 330 : [ 178 – 4 . 28 ] }
    =31 : { 330 : [ 178 – 112 ] }
    =31 : { 330 : 66 }
    =31: 5
    =31/5
     

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

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