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

Toán Lớp 6: giúp mình câu (-3).(-17)+3.(120-17) mình cảm ơn trước

Toán Lớp 6: giúp mình câu (-3).(-17)+3.(120-17)
mình cảm ơn trước

Comments ( 2 )

  1. (-3).(-17)+3.(120-17)
    = 3 . 17 + 3 . 103
    = 3 . ( 17 + 103 )
    = 3 . 120
    = 360

  2. (-3) . (-17) + 3 . (120 – 17)
    = 3 . 17 + 3 . ( 120 – 17)
    = 3 . (17 + 120 – 17)
    = 3 . 120
    = 360
    #wcdi

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