文档介绍：×49/9-4/×15/36+1/×5/6–2/9××5/4+1/÷3/8–3/8÷×5/9+3/7×5/-(3/2+4/5)+(1/8+1/9)×5/6+5/×8/9-1/×5/49+3/×(1/2+2/3)×4/5+8×11/×5/6–5/-(2/7–10/21)×18–14×2/×25/16+2/3×3/×8/7–5/6×12/–3/4×9/×2/9+1/×3/25+3/××2/3+1/×2/3+5/+1/11÷1/×11/5+4/×2/3+1/3×+12/19×5/+3/4÷2/×21/16+1/×1/5–1/5×*(5*(2/3))2.(1+37%)**75%*(50/2)5.(54+10%)/206.(25/3*18)*30%7.(2+70%)**(98*(1/4)*2)%*((23+2%)*4)10.(30+20%)/*3/(25+20%)/(3+40%)*16*10%14.(2/3)*(3+6)*(1/2)*(1/9)*2416.(35+10%)*2717.(45+50%)*3*1/218.(43*20%)+(3*(1/9))*(9*(1/3))*5%*15%+25*8*(1/4)*(1/2)/4922.(1+48%)*223.(4*8-12)*50%24.(48/60%)/*(1/7)*30%3*(5*(2/3))2.(1+37%)**75%*(50/2)5.(54+10%)/206.(25/3*18)*30%7.(2+70%)**(98*(1/4)*2)%*((23+2%)*4)10.(30+20%)/*3/(25+20%)/(3+40%)*16*10%14.(2/3)*(3+6)*(1/2)*(1/9)*2416.(35+10%)*2717.(45+50%)*3*1/×49/9-4/×15/36+1/×5/6–2/9××5/4+1/÷3/8–3/8÷×5/9+3/7×5/-(3/2+4/5)+(1/8+1/9)×5/6+5/×8/9-1/×5/49+3/×(1/2+2/3)×4/5+8×11/×5/6–5/-(2/7–10/21)×18–14×2/×25/16+2/3×3/×8/7–5/6×12/–3/4×9/×2/9+1/×3/25+3/××2/3+1/