1、225-2225-6225 (42+25)125+(18+15)2324+252+2718+251 9922+3334第六类:除 36049 25052 600128008 48048 2401242035 240025 7800第七类:加减92+99 197+102 354-108405-99 127-98 323+189-123248+86-48 672-36+64 (6467-832)+(1832-1467)1530+(592-530)-192 (2+4+6+98+100)-(1+3+5+97+99)第八类:乘除 9604648 9900012111 3702381234 640(164
2、) 1000(1254)第九类:加减乘除(98+147)49 (230-23)23 (250-25)25 173628+106428 125(860+24012) 700+612124 (37+15)85+1360 2005425 25(40-4) 869 9978 4538+385579 377 383859 167394 28225(42+25)125 65+73+135 357+288+143272+68+28 129+235+171+165 17+145+23+35 400-256-44 517-53-47 284-159-41 258-42-16545-167-145 478-47-
3、178 344-(144+37)236-(177+36) 4524 88)125 72125 125255 25125 (12+50)40103 1844 4225 999 9955 2879 1738 9932+32 46+465 394 3602505 8008 4804824012 42035 117+392+608 88272787538747 775725 23466345285347 435(135189) 167253225259938 14714799 25(48)10875 35201 759874 26 253288 2548 3500352 3025570 2824115
4、912 6.3 1.8 12564+1253619964 5285347 158395105480025 (136)6) 2.1992.10.184.260.184.26 810075 16800120124824 315015 (10000-1000-100-10)1013829362107 99+999+9999+99999 66.868.661.34881189 100.4322.568 981996.80.04 355+260+140+245 10299 2645-180-245 12532 254610156 9926 382101-38260508 930 0.6 5 102247
5、842263.4 2.5 0.4 2357183317357 672366436643664 50025734143 755-287+871814378422 899989 3999+49822522512 6982919 568(68178)3821653582 (375+1034)+(966+125) 1552564598759-126-259 216+89+11 7599+2751050157 72002430 219 99 (2130+783+270)+101758101 76 102 7846+7854 16912323169129101129 5651+5648+56 12532
6、24514+189214 732254332 562474+2624 228+(72+189) 109+(291176)参考答案加 65+73+135 357+288+143 272+68+28 =65+135+73 =357+143+288 =272+28+68=273 =788 =368=129+171+(235+165) =17+23+(145+35) =999+1+(99+1)+(9+1)=700 =220 =1110=102+8+(7+103)+(6+104) =9998+2+(99+1)+(998+1)+(9+1)=330 =11110减 =400-(256+44) =517-(5
7、3+47) = 284-(156+41)=100 =417 =84 =258-(42+16) =545-145-167 =478-178-47=200 =233 =233=244-144-37 =236-36-177=63 =23乘 =455) =23(52) =25=90 =230 =9008) 88125 =813 =125(2504) =811=13000 =1000000 =1100025 425 9 =125(258) =42=9000 =200000 = 210000=100(8125) =1100000 第四类:103 =1240+5040 =12540-1254 =76(100
8、+3)=880 =5400 =76100+763 =7828125 259 =(10+8)125 =2511 =221 =10125+8125=2250 =110 =105078 =(100-1) 78-178 =77227 =37+(45+55) =28(21+79) =23(17-7)=3700 =2800 =23059 =38(46+64) =32(99+1) = 46(59+1)110 =3200 =2760(100+10)100+38=4180=167(2+3+5) =39(8+6-4)=1670 =390=225(28-2-6) =125(42+18+25+15)=4500 =12
9、5001 9934 (23+25+27) =33(66+34)=600 =3300 360=3609) = 2502) =600(125)=10 =25 =10=80085 =480485 =240=20 =2 =4 42035 240012 =42075 =24005 =78006=12 =96 =650加减 92+99 197+102 354-108 =92+(100-1) =197+(100+2) =354-(100+8)=92+100-1 =197+100+2 =354-100-8=191 =299 =246405-99 127-98 323+189-123 =405-(100-1)
10、=127-(100-2) =323-123+189= 405-100+1 =127-100+2 =389=306 =29248+86-48 672-36+64 (6467-832)+(1832-1467) =248-48+86 =672-(36+64) =6467-1467+(1832-832)= 286 =572 =6000 1530+(592-530)-192 (2+4+6+98+100)-(1+3+5+97+99) =1530-530+(592-192) =(2-1)+(4-3)+(98-97)+(100-99)=1400 =1+1+.+1+1 =50=9604846 =99000(12
11、111) =123431234=920 =9000 =114 4) 1000=640164 =1000=160 =32加减乘除 =9849+14749 =23023-2323 =25025-25=5 =9 =928 125=(1736+1064) 28 =125880 =700+6123=100 =125110 =700+204 =110000 =904 =5085+285+1360 =2005200610001-2006200510001=4250+170+1360 =0=5610+170=5780 42=125(425) =10011125)=210000 =11000004 =86=68
12、0 =4500 =86100+863=8858=(10+8) 11 =22110+1258 =1100 =1050=225055 9 =(100-1) 78 =(45+55) 9-9 =78100-78 =3800 =91 =772238 =(21+79) 79 =(37-7) 23 =(46+64) =7900 =690 =380059 167=(99+1) 32 =(59+1) 59 =(2+3+5) 167=3200 =3540 =16704 28225 =(8+6-4) 39 =(28-2-6) =390 =2500125 65+73+135 357+288+143 =(42+18)+
13、(25+15) 125 =65+135+73 =357+143+288=12500 =273 =788272+68+28 129+235+171+165 17+145+23+35 =272+28+68 =129+171+(235+165) =17+23+(145+35)=368 =700 =220400-256-44 517-53-47 284-159-41 258-42-16 =400-(256+44) =517-(53+47) =284-(159+41)=100 =417 =84545-167-145 478-47-178 344-(144+37) =545-145-167 =478-17
14、8-47 =344-144-37=233 =253 =1632 =236-36-177 =452)=23 =90 =230 4 88) =259 =813 =250=900 =13000 =1000000 88125 72=11125) =9125) =12525)=11000 =9000 =10000040 =42125) =100125) =12=210000 =1100000 =2480(100+3) =(10+8) =4500 =76100+376 =10 =7828 =2250 25(40+4) =(40+2) 25 =(100-1) 40+254 =4025+225 =9100-9
15、 =7800-78=1100 =1050 =891 =7722=(45+55) 37 =(21+79) 79 =(17-7) 23=3700 =7900 =230 =(46+64) 38 =(99+1) 32 =(59+1) =11038 =3200 =2760=(10+100) 10+38100=(2+3+5) 167 =(8+6-4) 39 =3609) =1670 =390 =1048 =2505) =800=25 =10 =20 =235 117+392+608 88=2405 =4205 =117+(392+608) =(88+12) 27 =4 =12 =1117 =270025
16、2346634 =(53+47) 87 =(75-25) 7 =234-34-66=8700 =350 =1342525 =528-(53+47) =435-135-189 =(167+32+1) =428 =111 =5000(48) 147 =254+8=3800 =14700 =30098 =(100+8) 75 =35(200+1) =75(100-2)=8100 =7035 =73507 =268) =25=700 =12000 =10000011 =256 =3500=11000 =600 =352 3025570 28241159 (352) =30+70+255 =282+(4
17、1+159)=60 =355 =48212 6.3 36 =(88+12) 27 =6.30.92 =(64+36) =2700 =3.5 =1250019964 5285347 158395105 =64(199+1) =528-(53+47) =158+(395+105)=12800 =428 =65825 (136) 2.1 99 2.1 =4810025 =13(84) (55) (66) =2.1(99+1)4 =26 =210=1920.18 4.26 0.18 4.26 810075 16800120 =4.26+4.26+(0.18-0.18) =(81x100)(25x3)
18、=(12000+4800)120 =8.52 =813x(10025) =14010 =12482 =31503 =1000010-100010-10010-10=52 =210 =1000-(100+10+1) =889 13829362107 99+999+9999+99999 =138+62+(293+107) =(99+1)+(999+1)+(9999+1)+(99999+1)-4=500 =11109666.868.661.34 881189 10 0.432 2.568 98199 =66.88-(8.66+1.34) =(8900-89)89 =10-(0.432+2.568)
19、=98(200-1) =56.88 =99 =7 =1950225 6.8 0.04 355+260+140+245 10299 20.046.8 =355+245+(260+140) =99(100+2) =2=6.8 =1000 =10098 =25046 =645-245-180 =1254 =25(40+6)=220 =4000 115056 9926 382101-382 =(100+1) 56 =(100-1) 26 =382(101-1)=5656 =2574 =382005 1022478422 =4(608) =930(0.65) =1022-(478+422)=96000 =310 =122 0.4 2357183317357 6723664 =63.4 (2.50.4) =2357-357-(183+317) =672-36-36+36+64=63.4 =1500 =(672-72)+(36+64) =70036643664 50025734143 755-287+87 =(36-36)+(64+64) =500-(257+34)-143 =755-
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