1、38 = 9932+32= 46+4659=1672+1673+1675= 39 8+639-39 4= 28225-2 225=22+3334= 234+254= 3604六600125 = 80058= 48048= 24012=42035= 240025= 7800125= 127-98=2672-36+64 = 323+189-123=七( 6467-832)+(1832-1467)= 1530+(592-530)-192= 9604648=640(164)= 1000( 1254)= 3600 72=83 = 72125 = 86102= 4823+4876+48 =八. 5678+
2、2256 = 10284= 43101= 10236-72=85 -(65-78)= 840008125= 32125= 136-(36-74)=1923-23 9= 1928+1922=九672-36-64= 5006= 5713=1146= 2380=31280168= 273-73-27= 98+265+202= 1506=320025= 177=十30030= 70140= 25+75-25+75= 9938+38=4018= 1206= 599+5= 20001258=80= 254=十一.102+20= 2737= 3522= 67+25+33+75=8= 60+255+40= 1
3、2505= 45800-138-162= 2524=十二.282+41+159= 2415= 2518474= 548+52+468= 10312= 2055=124545= 25(4+8)=十三.7224= 250134= 13+46+55+54+87= 25125= 287= 5+137+45+63+50= 1514=158+262+138= 375+219+381+225=十四. 50012471021232= 378+44+114+242+222= (181+256)+2719=276+228+353+219= (375+1034)+(966+125)= (2130+783+270)+
4、1017=99+999+9999= 2214+638+286= 7755(2187+755)= 30657381065=5十五.899+344 = 23651086214= 2357183317357=2370+1995= 497299= 3999+498= 1883-398 =25= (13 125) (3 十六.(12+24+80) 5=0 70432125= 88(25+125)= 10276= 5898= 7599+2=7(24+16)= 8436+648=4十七.17899+178= 83102-83 2= 123181233+85=(13 8)= (12+24+80) 5=0 70
5、4 6(25+125)= 88十八.1027= 25(24+16)=8484= 17899+178= 83 32=12318 1233+85= (13 (3 =8) (12+24+80) 十九. 600-6015= 20204= 736-3520= 2598-18 5+25= 56568= 280-80 66= 175-75 二十.80-20 2+60= 369369= 36-36 6-6= 25(25100+45-100+45 = 4899+1= 1597+3= 5+9528=7100+1-100+1= 100-36+64=二十一 . 1000+8-1000+8= 672-36+64= 10
6、2+1-102+1=65+3513= 25+75-25+75= 40+36020-10= 13+24324-68+32= 1256二十二 .980 28= 82836= 1236 =5689= 35424= 25616= 47210=30746= 54312= 83403=8二十三 . 1598 9= 12689= 29429=20332= 31225= 68934= 61888=37245= 23446= 613二十四 . 320 25= 7210+2865= 43743246= 44476= 432148= 35827=935034= 93032= 46983=二十五 . 864 36=
7、98036=69417= 598126= 60987= 45025=28944= 32000700=二十六 . 25 29= 15725= 67311725= 384234= 5611= 19.95+132.47=1036= 32512= 5491=二十七 . 125+25 6= 1206055= 102416(135415) 5+16= 164-13 5+85= 330(6550) = 95(64-45) =(126513) = (315 40364) 7= 128616=二十八 .(2010906)(65+15) = (2012024)8= 4020-200=11288(2614) 8 =
8、 5006-(50 2-80)= (105 12635) (845153) 16 = 178-145 6+42= (404) 25 = 106976二十九 .4,15 7+857 = 540(148+47) 13 = (308 30828)11=9696274= 21(230192)= 1974=10000(5966) 64 = 920-1680 407 =(315 7= 690+4752-398=12三十 .735 (70040025)= 1520(1070282)= 9405-29402821 =45+24012= 25(24+16)= 51+(2304-2042) 23= (247+18
9、) 27148+332864-75= 3602432+730 = 2100-94+48 54 =三十一 . 36-720 (36018)= 1080(63-54) 80 = (528+912) 5-6178=(1012024) 5= 28010789= 37 (7+6) 30=13(947599)764= 36(1527623) = (932521) 9 =(3921) (396 6) =三十三 .384 12331 = 16(17-8) 3 = 28(5+9632) =81(72-54) 9= 571256035= (140-70) 54= 17899+178 =84864012 960(1
10、5003245) 32(25+125)14三十四 .125 6= 33526= 16524= 25631=47210= 54312= 192(5438) (12+24+80) 50= (140-70) 54= 63+8442 =三十五 .490 7+245= 157 = (46-20) 30-90 =274= 108(8336060) = 2400801430612= 26015= 68924= 30346=15三十六 .65 224= 61888= 11252= 33548= 33625= 12545= 336(404) 25= 7525= 290(34 3+99) =三十七 .(42048
11、)(375345) = 142549+14= 9953+53=76766 = 720362 = 420(205198) 4 =1665= 36125= 11658= 25681=三十八 . 331 25 = 12534 = 37481= 91214=33625= 21534= 20532= 31206 =460(29183)= 4502(169) =三十九 . 245(45+39) = 125(84)5= (46-20) 30-90=24002 = 4125-25 = (960400) 70= 266-110=17108(8336060)= (42048) (375345) = 32568=四
12、十 . 33621= 24531= 31206= 21126=30212= (140-70) 542 = 4905 =1337(65+35) = (58+37) (64-9 5)= 135四十一 .325 41= 12321= 31208 = 21114=1817184= 290(34 3+99) = 142549+14=6 = 9953+53= 4502(169)=四十二 .51 214= 61135= 24158= 33204=33264= 16109= 21021= 72011924= 32529= 18030= 66四十三 .125 5= 4125-25= 420(205198)193
13、) = 63+8442= 36030= 92040=78060= 43224= 62523=四十四 . (960400)70= 45+24012 = 1233+85123 =124+78+22 = 100-35-25= 4905= 266-110 =157 = (42048) (375345)= (46-20) 30-90 =20四十五 .850 17= 78026= 96054417= 89828= 4208020= 69030= 750四十六 .840 60= 52040= 290(343+99)= 9925= 24002= 108(8336060)=84024= 70444= 48021
14、四十七 .672 21= 75458= 89739=142549+14 = 166= 4502245(45+39)= 325(266-250)= 62426= 17317=四十八 . 57618= 82532= 33663= 3834125-25 = 4204= 4603) =22(960400) 70 = 43+3155= 426-279 四十九 .98-19 4+62 = 51+1217= 843-136(32+28) 6= 1355= 1086= 8312 =210= 1389= 82403 =五十 . 336 21= 85839= 9182312689= 20355+720(40-35) (220-180) 8 36(28 7+23)340-240 5=2425.
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