-10*(3/5)^2=-5*(3/5)^2=-1*(3/5)^2-9*(-2/3)^2=-3*(-2/3)^2=-1*(-2/3)^2=
-10*(3/5)^2=-10*9/25=-18/5 = -3 3/5
-5*(3/5)^2 = -5*9/25=-9/5=-1 4/5
-1*9/25=-9/25
-9*(-2/3)^2=-9*4/9 = -4
-3 * 4/9 = -4/3 = -1 1/3
-1 * 4/9 = -4/9
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-5*(3/5)^2= -1,8
-1*(3/5)^2= -0,36
-9*(-2/3)^2= -20,25
-3*(-2/3)^2= - 1,3333(3)
-1*(-2/3)^2= -0,4444(4)
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-10*(3/5)^2=-10*9/25=-18/5 = -3 3/5
-5*(3/5)^2 = -5*9/25=-9/5=-1 4/5
-1*9/25=-9/25
-9*(-2/3)^2=-9*4/9 = -4
-3 * 4/9 = -4/3 = -1 1/3
-1 * 4/9 = -4/9