(1.5÷1.5)+(1.5÷1.5)-(1.5÷1.5 )=1
(1.5+ 1.5)×(1.5+1.5 )-(1.5÷1.5)=8
1.5 + 1.5 + 1.5 + 1.5 + 1.5 + 1.5=9