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tim so nguyen x thoa man : -x - 47 + 37 = 0
so nguyen x thoa man 55-(6-x)=15-(-6) x bang
a, co bao nhieu cap so nguyen ( x,y ) thoa man x + y=1
b. co bao nhieu cap so nguyen ( x,y ) thoa man x.2 + y =1
cho x la so nguyen thoa man : -7/25<x/30<-1/5. so gia tri cua x thoa man la
Cho x;y la so nguyen sao cho | x | + | y | = 5. So cap so nguyen ( x;y ) thoa man la
Tim so nguyen x thoa man : A=14-x/4-x dat GTLN
so nguyen duong x thoa man x^5=x^12
So nguyen x thoa man /x+2/=/x-2/ la
so nguyen x thoa man :x-(-25-17-x)=6+x
