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

Toán Lớp 5: Tìm x: a) 96-3.(x+8)= 15.4 b) 15.5.(x-35)-525=0

Toán Lớp 5: Tìm x:
a) 96-3.(x+8)= 15.4
b) 15.5.(x-35)-525=0

Comments ( 2 )

  1. a) 96-3.(x+8)=15.4
    96 – 3.(x+8) = 60
    3.(x+8)=96-60
    3.(x+8) = 36
    x+8 = 12
    x=12-8
    x=4
    b) 15.5.(x-35)-525=0
    75.(x-35) = 525
    x-35 = 7
    x=42

  2. a)96-3.(x+8)= 15.4
     3.(x+8)=96-60=36
    x+8=36:3=12
    x=12-8=4
    b)15.5.(x-35)-525=0
    15.5.(x-35)=525
    75.(x-35)=525
    x-35=7
    x=42
    chúc bạn học tốt

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