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1、苏教版数学四年级上册四则混合运算练习题350( 24+ 76)X 2(480+ 20X 4)- 201721 36X( 432 408)420 (25+ 15)X48X( 28+ 18- 15)230215- 5)X 16(160+ 880-20)X 490-21X2)- 1270 +( 750 65X 11 )(800 十 20+ 36)X 12(300-1511)X 12480( 80+ 20)- 460 12X 4)X 15328+ 198- 9)- 7073+ 22)-( 72 67)36X 5-( 27 17)457+ 28X 14)X 5280-( 240 8X 25)30+( 9
2、6 12X 5)50 (165+35)10032-( 20 96- 24)85+14X( 14+208 十21+(327-23)-19539-513-(378 - 14)(110-10) - 10-10304-275-(275 - 25)(70+10)- (18-10)44+15X 16-32(10-100-10)X 11(53-588- 21)X36(60+10) - (17-10)(245-11) - 18-11(346-10)-16-1217+(233-43)-1022+(374-10)-2622-(10+100-10)(252-14)-17-10215-198(121 - 11)(45
3、-651-21)X33(714-12)-27-1914+(21-19)X14736-(43-20) X 23(227+11) - (31-14)(31-154-11) X 12(1369-37)-37-32160-(22-12)X22(438-39)- 21-12(20+18) X 11-239(58+370)十(6445)(58+37)-( 64-9 X 5)95-(64-45)(247+18)X27 十 2536-720-(360- 18)(70+ 203- 7)X28(540 360)-( 18X 5)360 十(60 2)(360 十 12 10)X20(24+ 36) - 12X 1
4、4(86-24)X5-31365 328)X( 73 55)765 - (491 476)75+ 720- (42 27)(252+ 144) - ( 307 271)93X( 515 428)(121 92) X 12-6460-( 30-21-3)(69+ 21)X(72-8)(16+ 20)X 35234199)-(205 (75+ 315)-(3520)178(83 + 360 - 60)(420+ 60) - (275 245)(49+ 21)X(48-8)45+ 120-(30 6)(126 87) X 12-26420-(205198)X4(84 一 4) X 9- 6(65+
5、250) - (28 13)(124-85)X12-26(270-180)-30(59+31)X(96-8)1024-(680 + 640-16)4800 24 X (532 - 38) 96 X(328875-25)75+ 360- (20 5)(75+ 360) - (20 5)12+ (40 -5X24)720- (15 3X3889 (108+41)X5(800+ 200-50) X 32)640 - (80 20X3)365 328)X(73 55)672- (23 X25 547)48 - (2 + 6)(58+37)+(64-9X5)95_(6 牛 45)85+14 X( 14+
6、208- 26)21+(327-23)-19539-513- (378 - 14)19+(253-22) - 21(23+23)X 24-597(110-10)-10-10304-275 - (275 - 25)(70+10)-(18-10)(10-100-10)X 11(53-588- 21)X36(60+10)-(17-10)17+(233-43)22+(374-10)-26(245-11)-18-1122-(10+100(252-14) - 17-10346-10)-16-12215-1981(121 - 11)(45-651 -21)X33(714-12)-27-1914+(21-19)X1418-(13+15)-262736-(43-20) X 23(227+11)-(31-14)-154- 11)X 12160-(22-12)X22(438-39)-21-12