四年级上册递等式计算210道328+75+175496+230——196720+280^4025x3273x24+27x24(625-25)x104208—208-1325x(281+43)14x85—764902—306—94333+243+167+357284+26x10388x64-22276x8+24x827x108-54835+65x5333+456—133+1442550-(402—377)987—155—14528x32+28x68518+171+482+129329+78+27159x4x253x125x13x896x1254x301x25x3326+326x99104x7323x(300+2)58+19x5832x62＋68x6216x21x250103x15125x39-25x3925x20450x16x12544x250125x25x50x64(750+250)-125x12593+(356+207)567-63+15x23199x99+99328-(257-172)-143356-4x(470-362)(25+125)x3254+99x99+4514+14x52+53x8618x69-18+32x1836x25-25x20+16x75125x88904x(386-264)3150-9018-18-107204x35-846-638x(209-87-29)53x28+71x53+53864-【(2193-1457)+23】86x103+359201x9369x59+42x69-69101x38-25x38x42310-【235-160-(18+22)】(125+9)x825+34+375+1667200-81x91001x999【1128-(128+500)】-25x2101x49+250x8x478x32+67x32+78【(576-36)+14】x556480-259-141+3204837-181+719250x4+1050-25625-25x4-25(480+33x14)-15748x25-48x25(1408-45x24)-41804x25621-21+102x15476+249+324-495974-103+(221-163)x18(25x125)x(27x32)125x72+2525x16x125386+137+114-3756x125+8(125+4)x7232x(125+25)105-5x(4992-48-86)374-186-114125x4+25x8637-(237-65)79x79-79+22x79199x199125x801777x6+111x58554x64+446x6435x35+35x64+3584x25450-【(393-388)x(6+4)】15x27+73x1673x165+73-73x664600-25-45327-4500-327700-82+1885x65-14x85-85125x25x38x4x899x99+99x315x19+15x18+21x451000-125x84400-25-41360-(136-2)98x219000-8-12590-90-9540x31-27017x4x2525x33x40125x19x825x125x16125x3296x1254x301x25x3326＋326x99104x7323x(300＋2)58＋19x5832x62＋68x6216x21x250103x15125x39-25x3925x20450x16x12544x250125x25x50x64593+（356+207）567-63+15x23199x99+9938x（209-87-29）53x28+71x53+53864-【（2193-1457）-23】86x103+359201x9369x59+42x69-69101x38-25x38x42310-【235-160-（18+22）】25+34+375+166328-（257-172）-143356-4x（470-362）54+99x99+4514+14x52+53x8618x69-18+32x1836x25-25x20+16x75125x88904x(386-264)3150-9018-18-107204x35-846-6
