四年级计算题.doc

1、4年生订算问题大全500道(修正版)3362511252335241256536125 11658 256813312512534 33625 2153420532312063748191214 32568 3362124531 312062112630212135243254112321211141718431208 512146113524158 33264 16109 33204 25118 3021530254 21021 1192432529 66125 18030 720303603092040 78060 4322462523 83743 850177802696040 5441

2、789828 42030 78020690307505084060 52040 9202384024 70444 4803267221 75458 89739 62426 5761817317 117369165 13615 21536 32565 52315 57158 3621535126 23512 32119 32116 33224 33215125633526 16524 25631 30612 26015 30346 652243254016748 33625 12545 78020690307505084060 52040 92023 8402470444 48032 67221

3、75458897396242657618173179.990.028403563031 961191 98028 8283623446 61348 320257210 2865 44476 432148 35034 93032 8643669417598126 60987 9100240507039 7936264502528944320007001355108683127210 13898240312689203323122533621858399182788837645324372811736 9165 13615 21536 3256552315571583621529429 84060

4、5204092023 8402470444加法交换结合律： 48 25 175578 143 22 57128 89 72357 288 143129 235 171 165378 527 73167 289 3358 39 42 6175 34 125 366125 75 320153 38 162163 32 137 268158 395 105822 197 788。商不变定律： 300254000125240560025 32005040025150258002520001259000125混合运算672-672127987 (345-298 ) 65210 520 (240-227

5、) 340-24020530 (320-170 ) 90 458-(85 28 ) 23630、840、240-212、408、512-(178 283 )、864、27-23、12(10512-635 ) 25240-14053360-26020510448 2721635 655-20240203146-(34 42070 )(27-14 ) 4、77-217、691、165-655、5840、120 195、1523375 (25-10 ) 15 (659-34 ) (28040 )1527-2008 (324-285 ) 1226 (160-4812 ) 43

6、36 (36-29 )6)62 (300-1455 ) 35 (320-170 ) 50 (3654-984 ) 24150，90，67-52，182，36，126，640，96-80，45712-56035848-64016122800100 789 (947-599 ) 766436 (913-27623 ) (93 2521 ) 95071363 498723-(521 504 ) 2538412 23371 (39-21 ) (3966 )156 (17.7-7.2 )3) 37.85-(7. 856.4 ) 3028 (5969.9318 )960 (1500-3245 ) 192-

7、(5438 ) 67138254 (13125 ) (38 ) (122480 ) 5070425253212532 (25125 ) 178101-178843664847599 27583102-832 98199 12318-12338512350 (344 ) 325 (2416 ) 178991787942 79 7957730025481004757527 192531870 13310 4(2565 2528)102765898280 84024585 (95-144024 ) 58870 (105 202 )80400-(4300 87015 ) 143727 27563814

8、32 (1352 78 )125 (33-1 ) 37.4-(8. 67.24-6.6 ) 156107-772937.85-(7. 85.4 )2875969903181554 (72-58 )3 360 (126)55006-(502-80 ) (10512-635 ) 25(27-23 ) 12 (45 38-16 ) 24500-(240 386 )15 (845-153 ) 1612 (49-28 )7)450 (84-48 ) 125837 ) (64-95 ) 178-1455642口算问题38019=40100=202020=75-755=4036090=1548=7720=1

9、00-136=66060=7030=341720=60050=35080=2540=2830=45045=3006=523=42021=460 280=1458=45-27=121212=0169=136-7028070=81027=45059=6012=850=100020=76040=10046=1225=623=065=61884=9812=4215=9559=609=5090=60030=2034=432=11600=13600=75-18=70-30=8000-3000=12033900=9003=3203=2104=25100=254=844=3-1.4=13100=1206=85

10、-58=4. 31000=2. 50.054520=1002.8=89 8=7575=12578=591=10-(2. 32.7 )=7997=0. 51.5=120624 (36-25 )=0. 750.3=0.5=0.5-0.5=300-84-16。0.691.1=30018=779=24030=1.3-0.8=630906-0.37=0100100=600=2. 730.27=540270=400509933=1850=47070=144=75050=140070=6120=48040=620-30=217-65-35=30-305126=修正下面的各个问题的话，可以简单的进行修正491

11、02-2491257888.33-2.43-4.5799376.7-2.63.3-3.3741000 (415 )3. 5726.52858248 (85-78 )84028 70186.45-0.58-1.42.276.42.734. 612532251200012582544 (160880 ) 20994512 (324-285 ) 26102369964 64715265335285125325462017100-137-2633007542534 346 6674 (167 26 )37-5673-44253645108248 30267125522 78552034620346-3

12、46=99784999 99810198101-94994945 4526 4573836-368874 (2423-506 )6、159、255、155-30、259925、696、456、1648 (39-59433 ) (404 ) 25=1253225=43 57-43 57 :245-245=245245=576-203=289 104=96101-96=486-(186 59 )-41=863-297=216 305=2532=47 236 64402 359=43 78 122 257=25 (264 )=2544=354 (229 46 )简单地修订分类练习题第一类型(3006

13、 ) x 1225 x (48 ) 125 x (358 ) (122480 ) 5032 (25125 )25，24，16，4，2565，2528，13，24，x 8第二类84x101 504x25 78x102 25x204 7042588125 10276 10187第三类99 x 6499 x 16638 x 99999 x 999819958999 x 2798 x 34第四类99x 131325199 x 2532 x 1614 x 32178991787942 79 79578436 64847599 2757527 192531870 1331078X4 78X3 78X3第五

14、类88X12572X12575241225125X32X8752425X32X12550(344)3138254(13125)(38)2532125第6种3600254810047530001258125025573002543900 (3925 ) 420 (57 ) 800 (208 )第七种1200-624-762100-728-772273-73-27847-527-2735001-247-1021-2322356-(1356-721 ) 1235-(1780-1665 )3065-738-10652357-183-317-3572365-1086-214第八类278463237325

15、80268425141861582621381034 780320 102375 219 381 2252214 638 2861812564 ) 2719378411424222276228353219(3751034 ) (966125 ) (2130783270 ) 1017999999999999第九类214-(8614 ) 787-(87-29 ) 365-(65118 ) 455-(155230 )第十种576-28585825-65757690-1777755-28787第十一种871-299157-99363-199968-5991883-398497-299893439949

16、82370199515799第十二种178 x 101-17883 x 102-83 x 217 x 23-23 x 783102-832178101-17835 x 127-35x 16-11 x 3512318-123385123容易发生错误的类型(合订5型) 600-601520X420X4736-35X2025 x 425 x 498-18 x 52556 x 856 x 8280-80412 x 612 x 6175-752525 x 825 x 880-20x 26036 x 936 x 936-366-625x8(25x8) 10045-1004515 x 971001-1001

17、48 x 9911000-10008595 x 28102-10216535 x 132575-25754036020-101324 x 8672-3664324-6832100-3664简单地修正综合练习题12639 61263569-5699955 5578101-785276 4776 7613456-134 4513448522-4482523 (404 ) 99999 1999 184 98695 202864-199738-301380 476 120 (569 468 ) (432 131 ) 70425256-147-53373-129 29189-(89 74 )284251253225972125简单地订正练习题272016563042456-(256-36 ) 1