文档介绍：66×38-987÷21196÷4+56×1216×50-36÷4(73+65)÷(210-164)(13+47)×(52-18)(1024+4370)÷(24+38)45×2/3+1/3×+12/19×5/+3/4÷2/×21/16+1/×1/5–1/5×+160÷40(58+370)÷(64-45)-144÷18++45×2-4160÷5234(58+37)÷(64-9×5)÷(64-45)-145÷5×6+42420+580-64×21÷-700÷(9+31×11)(136+64)×(65-345÷23)+14×(14+208÷26)39.(284+16)×(512-8208÷18)-36×4÷18+*3+125*5+25*3+*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)×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×+160÷-144÷18++45×2-4160÷5237(58+37)÷(64-9×5)÷(64-45)-145÷5×6+-700÷(9+31×11)+14×(14+208÷26)-36×4÷18+3544.(58+37)÷(64-9×5)45.(-×)÷×÷×.(×+)÷-÷4=+-=÷-×5=6-×3-=×(-×4)=×(-0.