4.8.5是什么意思(2)18.32+11.68-9.47-10.53=30-20=10(5(7.4+1+9.6)*3/8=18*3/8=27/4
4.=36x5/12+36x3/4-36x1/6-4/9x36=15+27-6-16=206。。=14/15÷【18+48x5/6-5/8x48】=14/15÷28=1/302.。。。。。=18.32+11.68-(9.47+10.53)=30-20=10