1、 /11985-168+4124-735-745- (15-3)205+7X832X4+72523+248-475459+9X7264+159+47763-386-363900-473-227-189+ 432三年級數學下冊練習脫式計算題 300道題648+480 + 3(34+ 22) +8(601-246) +562- (25-7)305 X 3-154470 + 5-28294 +399+7892-537 + 4697270+729406 + 369+ 94683+258-383359 / 1181 81 + 9460+177-177+ 81698-245-155456+299550+4

2、5X9542-128-272853+ 109-85363 X 7 + 540838-(138 + 275)96X4+80120+800+1057X8 40699 X2+3235+ 178+208+342 + 292803-589+111 165615X3+745X9-3351000-487-5138X37+460289+578-189329+332+ 171836+529-436207 X8987123+377X21948+539-648406X 7-669438+ 279362200+ 150X30-5 650 + 50X 3-2106012+(200 194) +93675+360+ (2

3、0 5) 72 6X4 + 375+ 360+20 5 (75 +360)+(205)12+(40+5X24)(5625+ 3675) + (15 +5)681+27X 4 + 223+253X4720+(15 3X2)165+3960 40 + 201515X436835X 11777)63248X 12 + 86+ 6)3889 (108+41)X5 (800640 + (80 -20X3)44(365-328) X ( 73 55)252 +6+ 35X 7672+ 200+50)X3 45 +X 12+29550+110(4535-500) + ( 782 + (3 X25 73)48

4、+(270324X 25(252+144) + (308-298)23X 46+ 293 X (515 428)82 + 41X68(69+21) X (72 +8)(16+20)X35(126-87)X12+26234+(205 199) (75 +315) + (2520) 100 +25+4(10+25)X44(121 92)X 12+ 6 620 530+ 5X2 178 (83 +360+60) 870 30 +15+13(420+60) + (275245) 25 X 32X 125 460 + (3021 + 3)9000 -75960 +15 28 (49 +21)x(48 +

5、8) 45 +180+ 30- 6844X9 + 613575+ 5 182 +13+ 34 X 3 45 +120+(306)196+24X18466+14X2 2400 +60 16X 2 420 +(205 198)X4 44 X 12 + 29203135+9 (84 -4) X9 + 6 (65 +250)+(18 13) 36 X 13+ 207+ 328+ 120X8 (124 -85) X12 + 2182545 + 9X24 (270 -180) +307212X6+ 43 (59 +31)X(96 + 8) 1024 (680+640+8) 640 +8 50800+20+

6、4 4800 -24X (32 +2)26X 4125+5860-20X 30987+3X6 96 X (28 75 + 5)1674 45 + 9X10056(25 +17)291X4X5555 X7X478 X3+91005+5+ 3150 X4+105614 (3000+(10036) +471875X3275X6+35 X (399-214)(18724) X 5233574X8(582+6467) +7424 X3996 + 6X2256X7X545+3+5726 + 274X3 4176 +3+ 21912X3 + 4 614)45、6024+ 3 + 42800X5 + 4108

7、9 (400+311)328+16X2328+172X6516123+ 77347 X4-1922762 (762 78)6X25+75X6X237X100- 37451+ 549+334+ 306720 + 8806891865-468-332X38 123689+ 498 一169 + 584+731345+ 255+5257X4 + 2256+389 + 211567X2X5X 9369X2 + 3258+ 4935845X9+55198 98X2282(741-159) +654+ 65167+ 45 +763-84-163256468+ 28+32405+ 9X3456一 178 一

8、345 + 456+155 + 6(321 39) +684+7+35X 45409 300480 + 8+320+4120 X3-90X230 X4 + 60X5 488+ 4 23X4180 + 9-18(48+52) +5100-2520+807X (34+56) + 9105X2X 5800-57(65+16)230 X ( 140-132) + 9245+24 7(2534 958) +8792 X7707 35 X 20 (64-45)(120 103)5050 +160+ 40(58+370)120-144+18+357760+ 10 + 389519 X 5 ) +74 24

9、X5+2445 X 20 X 3 95 + (64-45) 48 +8X7 50 +160+40493+25 X7(95 95 ) t-7414+20 +585+14 X 3284+16 X 54280+ ( 1911)78 X7 + 81+9(5021-3918) X 6 1208 -230X5 80+9-18(48+52) + 5100-25X420+80 X37X (34+56)105X2X5800-57 X 9(65+16) + 9230X ( 140-132)24 X 5+24X72534958) +8792 X7 + 9(5021-3918) X 61208237X54280+ (

10、 1911)190 +360+24X8(140+60) X (26 8)78X7+ 828+18(359 42)X53 + 64280+650+131000- (280 + 650 + 5)707 35 乂 20(120 103) X 5050+ 160+ 40(58+370) + ( 6445)120-144 +18+35760+ 10 + 38(95 19 X 5 )+ 7445 X 20 X 3(270 + 180) +5347+45X24160+ 5295+ (64-45)178-145+5X6+42 420+58064 X21+28812-700(9+31X 11)(36+64) X

11、 6585+14X (14-8)(284+16) x 8120-36X2(58+37) X522 X4 + 22121X3 + 41040+ 2+174147 +72+89X4+ 4202X80 + 4120 X5 + 2202+ 36 + 930+ 5+24081 +9 + 87766X 5+774921+7X480 X6X2770+ 7+65807+ 20+ 2100 50+ 535 35 + 7302+ 30X 2600 X8+340+ 100+5434+ 25X 560 12X364+ 8 + 456640+ 60X 45 X748+ 642+ 7+ 36+637X4+19X810 X

12、420+ 415+ 3+ 10+525+ 5 + 42 + 635+5+8X7972+ 936 + 621X4 54 +72+8+9X5436+ 4 + 21X225-5-16-56+7+36+6500X (400 396)72+ 9 5564+264-4537650-(546+4530)65X 9-4509X80+9809000-(4500+250)6700+72+ 814X6+9X 5900+ (71-68)180+ 9-42 + 612+6+45X38X (910-720)760-540+11106500+1250-3500420080X 30+56009450-3200-2400 +

13、645800X 7-1801600+ 2 + 2304000 + 8 + 350320+ 8+ 64270+ 3X9630 + 9 + 3202800+32X 6300+ 6X9(6900-2400) + 5(72 + 9) +(56 +8)54+ 9X8280 X 4 +560X 8+157060X (23-17)960 + 4X9350+ 5X9450+ 5+1250(6900-2400) +575+ 15+ 20X 53090+ 6X6(387 387) + 0160-160-80750+ 550+5(111 +189)X3125X8+1006X 250X0(1 +7)X(16-6)810X4 + 433+ 11 + 4X9187 + 299-299587+ 496 6742660+ 26 + 4153+