四年级简便运算计算题大全

52x32+48x325x27+63x5125x17+63x12576x23+24x23103x23152x49+51x15239x101-39152x8+148x8101x85-8555x25+25x45（30+4）x2572x10127x37+37x2347+99+47250x2849+49x49304x22401x2567+42+33+5818x137-18x37765+9827x99541x67-67x441199x9+19948x25043x20127x18+82x27163x8+37x8256x9-46x925x65+25x2577x4x5（25+125）x8（25+250）x4501x1212x301226x13-26x1312x（40-5）75x141-75x40492-145-15563+15x2202x41199x53+5323x134-34x2371x23-71x1328x111-28x117x8x3x12521x99304+297256x7-56x7103x37125x1699x62+6225x5x1648x12525x（40+8）75x3x415x301-1564x9-14x9125x1843x25x250x（2x4）x25480・1536x2548x101-4834x201250x9x4102x45125x（80-8）63x8+91x63+63123x67-23x6738x7+62x742x（30-1）12+19x12（30+2）xl550x（60+8）125x16420・35201x3443+43x3925x19x425x124-24x2598x3288x22+22x12373x9-73x999x64+6416x40125x1941x9956+56x4924x25026x103125x3218x45+18x55。