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

Toán Lớp 6: (-9/14) : (-3/28)=? giúp mk vs mk camon nh

Toán Lớp 6: (-9/14) : (-3/28)=?
giúp mk vs
mk camon nh

Comments ( 2 )

  1. (-9/14):(-3/28)
    =(-9/24) x (-28/3)
    =(9 x 20)/(24 x 3)
    =(2 x 5)/6
    =5/3

  2. ~ Bạn tham khảo ~
    (-9/14) ÷ (-3/28)
    = (-9)/14 * (-28)/3
    = [(-9)*(-28)]/[14*3]
    = [9*28]/[14*3]
    = [3*2]/[1*1]
    = 6

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