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1、.1/22分数的四则混合运算分数的四则混合运算计算(能用简便的要简算):6535548541(9832)(2161)535161179(4332)1211411035321(4321)54521545276858367(11783)88.2/221348(121161)54332545221531071312737413121312(87165)(9532)138771136.3/221(4183)419751192115(614332)122136269329910099218541534352412521102076541.4/22454443(8341)8383(8341)654(873
2、2)5870,125直接写得数3416=1235=0.356=35910=178=572357=12131213=071218=能简算的要简算.5/2248(7122)2323893412759759115(2315)1134252342567(2161)53 51直接写得数。3 3 76=65 10=10=83 109=2141=1818 61=107 1514=怎样简便就怎样计算:怎样简便就怎样计算:51(1 131 21)109 87(5441)(4141 21)41.6/226589 95 989 9 6565 91(83271)8 82719X X31X X321 131X X328
3、X8X31974415:X:X1158484(4331)83(73141)321211 811213 8 8(4343 65)344 4(5131)4352(5252 43).7/2243 32 43 3297(1 1 8778 1 1)54 (2151)158 5034 7474 50943 565687444481 4343(43232)8 8237怎样简便就怎样算:怎样简便就怎样算:.8/2221 3 35 5 213 3(152121)52313 3(41121)43 75 34211615(16741)2132(7421)257412X2X215X5X6512532X X51X X1
4、 1X X97X X341348(121161)4544435870,125.9/22(8512347)(47712)13.76(7121.761512)(113118)(1318)19.9837199.81.919980.8235.2935.2980.251.25320.10/22614134180.250.326.73.20.430.327.6121.91.9(1.91.9)2.512.53237563116117118119111093415192192.11/223.261(1109100)(2315)(231217)(15517)(2.52.52.52.5)258(495135981
5、3)(191100)(6.90.1251.75)(2.31814)(14142)81316120.01.12/220.610.250.18140.2125%(334343)(716716)5(0.59121212)821(121325817)2.5(9917101225)212123756(4.12518)4565113(2.5123)0.125.13/221000320.251.256535 548541(98 32)(2161)53 5161 179(4332)121141103 5332(4321)5421 8541 5343 5241 252110 207 6541.14/224545
6、 4443(8341)8383(8341)65 4 4(8732)5 58781(87165)(9532)138 7 771 1361 1(4183)4197 51192 115(614332)12122 2136 269329999 100995215452.15/2276 8583 67(11783)888813134848 (121161)54 3 332 545221 531071312 7374 131213128541127 3105468.06.37237266.4)3852(65)312321()43411(6516.516.56148185)49215(49215)74741
7、()43747.0(.16/22)2335(512513101122729)3151(4152132(43)6151(21 32)4361 512-2-(2132)211)52312027(207)537.3(6.816525)1544352(12)4165(45433.17/2293135)38527(37503)891027513(53)593()3223()41167(43981112)29314(859)851(16518(202154)453229147)3823(3285)3151(187729)3151(512)3851251(7115960)243571011(.18/2284
8、70142618(6.93.15)0.30.813.76.247.54.587.37.3(7.37.3)7.324.64.62460.4424.65432216160(435465)5252414352112111065143(51534213138).19/22(4187541615)293(0.432)(650.75)0.54.6 1.2(32 1.5)35.25 (0.6254.75 4.7583)2.87.2(141)8.8(4213)53(2131)1.20.5650.1252.75814.2512.5%3.681(10212.09)(17.37217.317.375)53(1580
9、.32980.375)811.20/226535 548541(98 32)(2161)53 5161 179(4332)121141103 5332 (4321)54 521545276 8583 67(11783)888813134848(121161)54 3 332 545221 531071312 7374 13121312.21/22.22/22(87165)(9532)138 7 771 1361 1(4183)4197 51192 115(614332)12122 2136 269329999 1009921 8541 5343 5241 252110 207 65414545 4443(8341)8383(8341)65 4 4(8732)5 5870.1250.125