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

Toán Lớp 6: 9.2.23+18.32+3.6.45 ==–..

Toán Lớp 6: 9.2.23+18.32+3.6.45
…………………………….

Comments ( 2 )

  1. 9 . 2 . 23 + 18 . 32 + 3 . 6 . 45
    = 18 . 23 + 18 . 32 + 18 . 45
    = 18 . (23+32+45)
    = 18 . 100 
    = 1800

  2. 9.2.23+18.32+3.6.45
    =18.23+18.32+18.45
    =18.(23+32+45)
    =18.100
    =1800
     

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