Solve using properties -2/3*3/5+5/2-3/5*1/6

8th STD maths ...properties of rational numbers
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(-2/3)*(3/5)=-(6/15)=-(2/5)

-(3/5)*(1/6)=-3/30=-1/10

so yu hav...-(2/5)+(5/2)-(1/10)

=-(4/10) -(1/10)+2.5

=-(5/10)+2.5

=-0.5+2.5=2
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