Question

7,5+2,3totu supra 1/3+2/3:12/9=x/2

Answer 1

7,5+2,3 supra 1/3+2/3:12/9=x/2
=75/10+23/10 supra1/3+2/3•9/12=x/2
=75/10+23/10supra1/3+18/36=x/2
=98/12supra12/36+18/36=x/2
=49/5supra30/36=x/2
=49/5supra5/6=x/2
=49/5:5/6=x/2
=49/5•6/5=x/2
=294/25=x/2
=x=588/25.