解:=0.13*(3.67+1.33)=0.13*5=0.65=【4.6+8.4*(20+1)】*1.5=(4.6+168+8.4)*1.5=(168+13)*1.5=181*(1+0.5)=181+90.5=271.5=0.36*125/0.36*0.8=125*0.8=100满意请采纳!
0.65