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1、专业.专注苏教版数学四年级上册四则混合运算练习题350(2476)2 (480204)20 172136(432408)420(2515)4 8(281815) (2302155)16(16088020)4 (90212)12 70(7506511) (8002036)12 (3001511)12 480(8020)4(60124)15 (3281989)70 (7322)(7267)365(2717) (4572814)5 280(240825)30(96125) 50(16535)100 32(209624) 85+14(14+20826) 21+(327-23)19 539-513(37
2、814)(110-10)10-10 304-275(27525) (70+10)(18-10) 44+1516-32 (10-10010)11 (53-58821)36 (60+10)(17-10) 17+(233-43)10 22+(374-10)26 (245-11)18-11 22-(10+10010) (252-14)17-10 (346-10)16-12 215-198(12111) (45-65121)33 (714-12)27-19 14+(21-19)14 736(43-20)23 (227+11)(31-14) (31-15411)12 (1369-37)37-32 160(
3、22-12)22 (438-39)21-12 (20+18)11-239 (58+370)(64-45) (58+37)(64-95) 95(64-45) (247+18)2725 36-720(36018) (702037)28 (540360)(185) 360(602) (3601210)20 (2436)1214 (8624)531 (365328)(7355) 765(491476) 75720(4227) (252144)(307271) 93(515428) (6921)(728) (1620)35 (12687)1226 234(205199) (75315)(3520) (1
4、2192)126 178(8336060) (42060)(275245) 460(30213) (4921)(488) 45120(306) 420(205198)4 (844) 96 (65250)(2813) (12485) 1226 (270180) 30 (5931)(968) 1024(68064016) 480024(53238) 96(32887525) 75360(205) (75360)(205) 12(40524)720(1532) 3889(10841)5 (80020050)3 640(80203) (365328)(7355) 672(2325547) 48(26)
5、 (58+37)(64-95) 95(64-45) 85+14(14+20826) 21+(327-23)19 539-513(37814) 19+(253-22)21 (23+23)24-597 (110-10)10-10 304-275(27525) (70+10)(18-10) (10-10010)11 (53-58821)36 (60+10)(17-10) 17+(233-43)1022+(374-10)26 (245-11)18-11 22-(10+10010)(252-14)17-10 346-10)16-12 215-198(12111) (45-65121)33 (714-12)27-19 14+(21-19)14 18-(13+15)262 736(43-20)23 (227+11)(31-14) (31-15411)12 160(22-12)22 (438-39)21-12 (20+18)11-239 (58+370)(64-45) (58+37)(64-95) . 学习参考 .