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1、 .1/7 六年级数学总复习简便计算练习题 一、口算。(10 分)102.6503.890.08 240.4 67.50.25 614.4 0.770.3351.41.6800.125=73371=二、用简便方法计算下面各题。(90 分,42052)1125997 998+1246 431+3.2532+6.8 1252(172+252)4001258 25(378)(4161)12 143215474 34(23413)1258.8 4.354.253.653.75 3.4993.4 17.158.471.53 17653434659725111592 0.1250.2532 22.32.4
2、55.34.55 .2/7(1211187+245)724.25365(261143)187.711187.7 43872157.125210.5 3415(57 314 34)2.4243+4.5831143212 6.62.5635 1178 613 123 4.6+325+635+5.4 2.8+549+7.2+359 445(245+512)438+2.25+558+734 725+457+235 53611 1647+16511 237+359 337+149+147 0.75+58+14+0.375 5-21417-1317 .3/7 45 945+9945+99945+99994
3、5 48.3-1516-456 956 4.25+414 6 0.6250.5+58+12 62.5%3138 72513 3138 1645+(247-1.8)2.5(910+910+910+910)2234+2575%-70.75 0.2563.514 1312 6715 2.5-212 4715 389+3.125+119+178 1125-996 (111+999)56(37-38)49.51035-(50-12)0.6 711 41419+5519 147+711 45(79+415 0.6)89738 37.5%+1040.375 314(538 5.375)3.5114+1.25
4、2710+3.845 7199 3755+2996 8439+1001 446+295 888+999 .4/7 72156-5672 2532125 70999+709 14.0.2548 2.537 0.4213 299101 563999 2126.6+2.5635 75.399+75.3 4.63.7+540.37 0.12534+188.25+12.5%8.37-3.25-(1.37+1.75)210020 1178613123 153144.25534 19.826.573.43 4.6+325+635+5.4 438+2.25+558+734 9.632.54 60.25 .5/
5、7 37125125738+5857815516+52710918(49+56)237+235 (16112)(2445)(5747+47)4715(23+15)113237+235 (16112)2445)(5747+47)4715(23+15)113 .6/7 (324117)125(2543)41412518169257169169(21737421)41(99109)9 546585 1514(5432)1110 (6554)30 31321655610959 41151178158814181 547445215465525354(8521)85235-13518 35 153 0.653 (45 14)73 710 .7/7 10-719-1219+119 2513 52 310 13.098.124.881210345007518 12(35 109)(215 311)1511