1.6*7.5*1.25=8*0.2*7.5*1.25=(8*1.25)*(0.2*7.5)=10*1.5=15
0.23*1.4=0.23*(1+0.4)=0.23*1+0.23*0.4=0.23+0.092=0.322
9.9*3.6=(10-0.1)*3.6=10*3.6-0.1*3.6=36-0.36=35.64
1.6*7.5*1.25=8*0.2*7.5*1.25=(8*1.25)*(0.2*7.5)=10*1.5=15
0.23*1.4=0.23*(1+0.4)=0.23*1+0.23*0.4=0.23+0.092=0.322
9.9*3.6=(10-0.1)*3.6=10*3.6-0.1*3.6=36-0.36=35.64