递等式计算(四年级上).doc

递等式计算：16X21X250递等式计算：518＋171＋482＋129103X15329＋78＋27159X4X25125X39－25X393X125X13X825X20496X12550X16X1254X301X25X344X250326+326X99125X25X50X64104X73（750+250）三125X1223X（300+2）593+（356+207）58+19X58567三63+15X2332X62+68X62199X99+99递等式计算：38X(209-87三29)递等式计算：328-(257-172)-14353X28+71X53+53356三4X(470-362)864三【(2193-1457)三23】25+125)X3254+99X99+4586X103+35914+14X52+53X86201X9318X69-18+32X1869X59+42X69-6936X25-25X20+16X75101X38-25X38X4125X882310三【235-160三(18+22)】904X(386-264)125+9)X83150-9018三18-10725+34+375+166204X35-846三6递等式计算：1961+49X67T8递等式计算：7200三81X923X98+231001X99940X(72+28)【1128-(128+500)】三25X2364-187+36-213101X49+250X8X42048-567三7X578X32+67X32+787X88X125【(576三36)+14】X552145-(517+388)】X246480-259-141+32025X125X484837-181+71927X24X25250X4+1050三2577X56+1108(132-56)三38625三25X4-25递等式计算56X125+8(125+4)X72递等式计算：(俞)(480+33X14)-4-15748X25448X251408-45X24)44132X(125+25)804X25105-5X(4992448-86)621421+102X15374-186-114476+249+324-49125X4+25X859744103+(221-163)X18637-(237-65)(25X125)X(27X32)79X79-79+22X79125X72+25199X19925X16X125125X801386+137+114-37递等式计算：777X6+111X58554X64+446X6499X99+99X335X35+35X64+35递等式计算：125X25X38X4X815X19+15X18+21X4584X251000^125X8450三【（393-388）X（6+4）】4400三25三415X27+73X161360三（136三2）73X165+73-73X6698X214600225249000^8^1255327-4500-32790-9029700-82+18540X31227085X65-14X85-85。