1、33625 11252 33524 12565 36125 11658 2568133125 12534 33625 21534 20532 31206 37481 91214 32568 33621 24531 31206 21126 30212 13524 32541 12321 21114 17184 31208 51214 61135 24158 33264 16109 33204 25118 30215 30254 21021 11924 32529 66125 18030 72030 36030 92040 78060 43224 62523 83743 85017 78026 9
2、6040 54417 89828 42030 78020 69030 75050 84060 52040 92023 84024 70444 48032 67221 75458 89739 62426 57618 17317 3.771.8 5.220.3 990.02 4.670.9 52.44 1.6666.1 5.66.5 4.882.9 5.614.3 8.92.4 5.555 9.770.02 1.3845.1 8.7883 2.661 590.2 4.2681.7 575.7 9.462.85 17.86.4 1.54.9 11736 9165 0.16270 59.313 320
3、.82-43.19 15.3612 70.25 3067.5 0.567.32 9.14160 2.4840 25.20.04 13615 21536 32565 52315 57158 36215 35126 23512 32119 32116 33224 33215 1256 33526 16524 25631 30612 26015 30346 65224 32540 16748 33625 12545 78020 69030 75050 84060 52040 92023 84024 70444 48032 67221 75458 89739 62426 57618 17317 3.7
4、71.8 5.220.3 9.990.02 284035 63031 96119 1 98028 82836 12.36 1.235.6 81.225 37.20.7 5.61.1 37.84.5 2.516 6.082.2 87.21.2 54.54.4 3.2512 157.525 67.312 44.121 9.366 42.52.5 0.991.1 13.634.7 36.11.9 5689 30746 543 47210 15989.4 29429 68934 61888 3725 2.037 33.86 1.72.6 32.842 0.39556 76.0.74 23446 613
5、48 32025 7210+2865 44476 432148 35034 93032 86436 69417 598126 60987 9100240 507039 793626 45025 28944 32000700 3.22.46 0.6724.2 1042.4 1.713.8 8.45.6 0.13450 6.790 2.72313.1 315.24 2529 11725 384234 0.27623 3624 460.04 9.95+2.47 0.0450.31 5.304126 1355 1086 8312 7210 1389 82403 12689 20332 31225 33
6、621 85839 91827 88837 64532 43728 11736 9165 0.16270 59.313 320.82-43.19 15.3612 70.25 3067.5 0.567.32 9.14160 2.4840 25.20.04 13615 21536 32565 52315 57158 36215 29429 84060 52040 92023 84024 70444 48032 67221 75458 89739 62426 57618 17317 13545 10825 54312 47210 13854 12689 20332 31225 43728 82403
7、 20824 36137 40623 46023 30556 62478 46589 35356 45240 47985 33621 85839 91827 88837 64532 43246 96623 73179 98028 82836 68934 61888 37245 32842 39556 76574 .运算律:4825175 5781432257 1288972 357288143 129235171165 37852773 16728933 58394261 534125366 12575320 15338162 16332137268 158395105 822197788.
8、30025 4000125 2405 60025 320050 40025 15025 80025 2000125 9000125 100025 200080 6008 90060 混合运算:672672127 987(345298)65 210520(240227) 340240205 30(320170)90 458(8528)23 630840(240212) 408512(178283) 864(2723)12 (10512635)25 24014053 360260205 1044827216 3565520 240180302 45030203 146(3442070) 624(2
9、714)4 (77217)691 (165655)5 840(120195)15 557(18626)23 375(2510)15 (65934)+(28040) 1527-2008 (324-285)12 26 (1604812)4 336(3629)6 62(3001455) 35(320170)50 (3654984)24 15090(6752) 18236(126) 640(96-80)4 571256035 8486401612 2800 100789 (947599)7664 36(91327623) (932521)9 5071363498 723(521504)25 38412
10、23371 (3921)(3966) 156(17.7-7.2)3 37.85-(7.85+6.4) 30 28(5+969.9318) 81(72-54)9960(15003245) 192(5438)67 138254 (13125)(38)(12+24+80)50 70425 2532125 32(25+125) 178101178 8436+6484 7599+275 8310283298199 1231812 33+85123 50(344)3 25(24+16) 17899+178 7942+79+7957 7300254 8100475 7527+1925 31870+13310
11、 4(2565+2528) 10276 589844 280840245 85(95144024) 8870(105202) 80400(430087015) 14372727563 81432(135278) 125(331) 37.4(8.67.246.6) 156107-7729 37.85-(7.85+6.4) 2875+96990318 1554(72-58)3 360(126)5 288(2614)8 5006-(502-80) (10512635)25 864(2723)12 (453816)24 500(240386) 64(8742) 15 (845153)16 12(492
12、8)7 450(8448 )12 (58+37)(64-95) 178-14556+42 812-700(9+3111) 85+14(14+20826) (284+16)(512-820818) 120-36418+35 (58+37)(64-95) (6.8-6.80.55)8.5 0.12 4.80.124.8 (3.21.5+2.5)1.6 5.8(3.87-0.13)+4.23.74 32.52-(6+9.7283.2)2.5 (7.1-5.6)0.9-1.15 2.5 5.42.6(3.7-2.9)+0.62 126(12-7.2)-6 1267.2-6 0.681.9+0.321.
13、9 (58+370)(64-45) 420+580-642128 (136+64)(65-34523) 48.10.15-10.750.4-5.7 388+(5000-1000) 158+262+138 375+219+381 50012471021 (181+2564)+2719 378+44+114 276+228+353 7755(2187+755) 2214+638+286 38254 (13125)(38) (12+24+80)50 70425 2532125 32(25+125) 88125 10276 5898 78101178 8436+6484 7599+275 831028
14、32 123181233+85123 50(344)3 25(24+16) 17899+178 7942+79+7957 7300254 8100475 16800120 301002100 32000400 49700700 7527+192 5 480025 2356(1356721) 1235(17801665) 31870+13310 4(2565+2528) (181+2564)+2719 1225 7524 138254 88125 10276 347+452-416052 (58+37)(64-95) 95(64-45) 178-14556+42 812-700(9+3111)
15、85+14(14+20826) 120-36418+35 (58+37)(64-95) (6.8-6.80.55)8.5 0.12 4.80.124.8 (3.21.5+2.5)1.6 50.6.5(4.8-1.24) 5.8(3.87-0.13)+4.23.74 32.52-(6+9.7283.2)2.5 (7.1-5.6)0.9-1.15 2.5 5.42.6(3.7-2.9)+0.62 126(12-7.2)-6 1267.2-6 0.681.9+0.321.9 420+580-642128 136+6(65-34523) 15-10.750.4-5.7 18.1(30.2990.23)
16、1 10.15-10.750.4-5.7 996 83= 580 18= 4140 40= 420534851715 551(155-258419) 7000-3401525 (6409+2317)68 386-(2525+2005)15 3365+183651-2978 (2995+5285)1513 2101-(2260+3200)42 1141+7565448 872289+858065 5488-36426390 4000-(2580+288016) (2495+353)(500-484) 3640-6252515 7560(125-113)+2786 35.85(1.75+9.825
17、)14.63 5.651.89+9.14 24.58+14.615.487 240080142 108(8336060) (42048)(375345) 420(205198)4 460(29183) 14502(169) 49070154 774(17+26) 472833 21524 90024 5635 320-770113=960321511 451-(164-88)3 38250 758054 140250 50815 850070 40800340 1757525= 683513= 725(125237)= (114166)35= 432(98)= 1896040= 口算题:380
18、19= 40100= 202020= 75-755= 40+36090= 1548= 7720 100-136= 66060= 7030= 341720= 60050= 350+80= 2540=2830= 45045= 3006= 523= 42021= 460280 145+8= 45-27= 12+1212= 0169= 136-70= 280+70= 81027 45059= 6012= 850= 100020= 76040= 10046= 1225 623 065+5 6+18+84 98+12 4215 9559 609= 5090= 60030= 2034= 432= 11600
19、= 13600= 75-18= 70-30=8000-3000= 1203= 3900= 9003= 3203= 2104= 25100= 254 844 31.4 13100 1206 8558 4.31000= 2.50.05 4520 1002.8 898 7575 12578 591= 10(2.3+2.7) 7997= 0.5+1.5= 12062= 4(3625)= 0.750.3= 0.5+0.5= 0.5-0.5= 3008416= 0.691.1= 30018= 779= 24030 1.30.8= 63090= 60.37= 0100+100= 600= 2.730.27=
20、 540270 40050= 9933= 1850= 470+70= 144= 75050= 140070= 6120= 48040= 620-30= 217-65-35= 30-305 126+8= 546= 8447= 3695=用简便方法计算下面各题: 49102249 125788 8.332.434.57 9937 6.7-2.633.3-3.37 41000(415) 3.572+6.528 58248(8578) 840287018 6.450.581.42 3.276.42.734.6 1200012582544 1253225 (160+880)20 9945 10236 1
21、2(324285)26 996464 715+265+335+285 125325 462017 2536=100-137-263+300 75425 3434666= 74(16726)= 37-56+73-44= 45108= 248302= 67125= 552278 55= 20346= 20346-346= 9978= 499999= 98101= 981019= 4999+49= 4545264573= 3836368= 874(2423506)= 6(159)= 255(15530)= 2599= 25(696456)16= 48(3959433)= (40+4)25= 1253225= 576203=43574357= 245245= 245245= 289104= 9610196= 486(18659)41= 863297=216305= 2532= 4723664= 402359= 4378122257= 25(264)= 2544= 354(22946)=
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