1、1.10.5= 0.60.9= 8.47.5= 6.21.9=0.20.9= 1.30.5= 0.60.5= 3.60.8= 2.11.2= 2736= 369= 24916= 2879= 45932=二、用竖式计算(216=32分) 650340= 630380= 13212= 42537= 25036= 6923= 32481= 27268= 35052= 11816= 96080= 70825=34040= 36180= 39325= 23040=三、用简便方法计算(212=24分) 97625303 6522773 32816819 42524176 26250 65008125 56
2、125 10256 326668 999999 46754665 266550261574四、用递等式计算(318=54分) 754475 9877 262242120929 9821434 28612352781604 45073535 124513148267(189) 2804018030 80653(3815)(612) 300(205) (13585)122486360(205) (2151)(968) (2411)(235126)28 7= 5035= 1919= 5638= 3014= 3227= 5426= 2315= 4226= 3512= 5648= 28 7= 80 3=
3、 5245= 9 3= 5 9= 80 4= 20 5= 6010= 90 3=2703= 240300= 3340040= 1204= 1802= 2408= 150= 30006= 614= 27057= 1905= 67580= 713= 5.40.8= 1.20.5= 0.60.7= 8.45.7 = 6.21.8=0.30.9= 1.80.5= 0.50.5= 0.63.8= 2.11.4= 286= 599= 24615= 359= 45954= 560430= 360180= 15213= 45273= 45036= 13823= 56781= 36846= 31252= 192
4、16= 88080= 50860= 76180= 37560= 325459175 27916535 11217348327 35974126 2358125 170020 37101 9823 60196031 999999 73178373 26 753675 369234102929 9818434 421782804 54073535 224523148(279) 350501807(5825)(712) 300(555) (13585)(7515) (9826)(5124)39 5= 5527= 3219= 6537= 3114= 4427= 7326= 238= 4224= 355
5、9= 5448= 36 9= 7= 7245= 12 4= 8 84 4= 6030= 80 4=3505= 1209= 24300= 6660= 1604= 1706= 130= 45009= 617= 35075= 2105= 56780= 613= 6.30.8= 1.20.7= 0.50.7= 8.25.6 = 4.31.8=0.50.9= 1.70.6= 1.50.5= 0.43.8= 2.12.1= 275= 89= 24715= 59= 50954= 650340= 270180= 10216= 425 65043= 34515= 72981= 96621= 52052= 256
6、16= 40331= 20543040= 6515= 330 47625353 65212773 35196581 45264136 26025 5600 72125 10136 3233 1019999 46344666 262544697 9876 34234201829 9712643 26412512081258 10835025 20301262030(126) 2502515030 1088(712)(5825) 300(7515) (13585)30(6515) (198126)12) (511124)(523216)47 15= 3827= 5429= 6347= 3314=
7、4537= 5327= 737= 4325= 6539= 7848= 36 7= 7272= 28 4= 9 48 4= 7030= 6035007= 1108= 30013= 8890060= 2404= 3702= 42027= 35085= 2505= 56777= 6053= 16.30.8= 1.020.7= 1.50.7= 8.25.7 = 4.31.7=0.150.9= 1.71.6= 1.50.05= 6.43.8= 3.12.01= 2798= 109= 241713= 48069= 50719354= 586425= 321254= 67916= 328 10890= 28
8、818= 58426= 21224= 77627= 86151= 20740= 20336=64018= 17601= 209253= 830 6813932 2673613364 1736726483 2516 1194811952 2881072887 986152148 36853685 50001258 462548362448 3.79.86.3 7.125.932.883.07(2530)4 9253 85180(205)(836)(246) 60(3.7512.05) (16.83.5)10.4(1230)2 6843 (15360)(438)3 (8.264.74)12.8 80.8(3.237.47)706(695170)5 400(328143) 820168487727923518214 18.36.253.7512.7 (28416)(512820818)
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