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

Toán Lớp 6: (-3).x-(-27)=12 (-75):(x+6)=15 (-96):(x-3)=12 nhanh nhoa !

Toán Lớp 6: (-3).x-(-27)=12
(-75):(x+6)=15
(-96):(x-3)=12
nhanh nhoa !

Comments ( 1 )

  1. a, (-3).x-(-27)=12
    (-3).x + 27 = 12
    (-3)x = 12 -27
    (-3)x = – 15
    x = -15 : ( – 3 )
    x = 5
    Vậy x=5
    b, (-75):(x+6)=15
    x+6 = (-75):15
    x + 6 = -5
    x = -5-6
    x = -11
    Vậy x=-11
    c, (-96):(x-3)=12
    x-3 = ( -96 ) : 12
    x-3=8
    x= 8+3
    x = 11
    Vậy x=11

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