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

Toán Lớp 6: 37.(-45)+37.(-54)-37 HELPPPPPPP

Toán Lớp 6: 37.(-45)+37.(-54)-37 HELPPPPPPP

Comments ( 2 )

  1. 37 * (-45) + 37 * (-54) – 37
    = 37 * (-45) + 37 * (-54) – 37 * 1
    = 37 * [-45 + (-54) – 1]
    = 37 * (-100)
    = -3700

  2. 37.(-45)+37.(-54)-37
    =37.[(-45)+(-54)-1]
    =37.(-100)
    =-3700 
     

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