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1、四数简便计算练习一202205姓名班级358+203265+199469-302546-298134+269+16666+245+55152+324+476+48671-286+129345+276-245787-29+113767-92-108325-78+75-22432-29-171+68912-68-32849- (249+85)684- (62+384)9+19+29+39+49+59+69+79+8942+402+4002+40002+4000021+2+9+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+1916X15X212X (27X5)24X3
2、535X19835X (20+4)29X99+29四数简便计算练习二班级125X7X8125X6X8X512X1545X10242X (30-1)47X101-4756X125+13X125+125X31姓名20220525X (17X4)125X25 X3224X12549X99152X49+51X15232X98+6489X49+52X89-8918X9925X4445X102-9025X19202205四数简便计算练习三班级 姓名630+18+5(125+8) X845X320+450X68444 X79+111X8423X99+23125X25X3263X10154X9956X99+59125X16 X2599X99+9935X36+36X1582X63-82X1336X98+7262X37+37X39-37777X9+111X3799X98+198649X1015400+4+25125X45X2X8125X (80+4)250X (4X7)125X (64X7+64)
