1.tìm x thuộc Z
a,/2x-1/<3
b,/2x-1/>2
2.tìm x
a,/2x-1/+x=3
b,/2x-1/+/x+2/=x
c,/x+1/+/x+2/+/x+3/=4x
1.tìm x thuộc Z a,/2x-1/<3 b,/2x-1/>2 2.tìm x a,/2x-1/+x=3 b,/2x-1/+/x+2/=x c,/x+1/+/x+2/+/x+3/=4x
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1.tìm x thuộc Z
a,/2x-1/<3
b,/2x-1/>2
2.tìm x
a,/2x-1/+x=3
b,/2x-1/+/x+2/=x
c,/x+1/+/x+2/+/x+3/=4x