六年级数学总复习简便计算练习题.doc

六年级数学总复习简便计算练习题一、口算。（10分）102.65 03.8 90.08 240.4 67.50.25 614.4 0.770.33 51.41.6800.125= 3 =二、用简便方法计算下面各题。1125997 998+1246 4 +3.25 +6.8 12 (1 [phone]（378） 17.158.471.53 17 3 4 1258.8 4.354.253.653.75 3.4993.40.1250.2532 22.32.455.34.55 4.253 (2 1 ) 187.711187.7 43 57.125 0.53415 (57 314 34 ) 2.42 +4.58 43 212 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+734725+457+235 53611 1647 +165110.6250.5+58 +12 62.5%237 +359 337 +149 +147 0.75+58 +14 +0.375 5-21417 -131745 945 +9945 +99945 +999945 48.3-1516 -456 956 4.25+414 62.5(910 +910 +910 [phone] 3138 1645 +(247 -1.8) 2234 +2575%-70.750.2563.514 1312 6715 2.5-212 4715389 +3.125+119 [phone](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 +1.252710 +3.845 7199 3755+2996 8439+1001446+295 888+999 72156-5672 2532125 70999+70914. 0.2548 2.537 0.4213 299101 563999 2126.6+2.563575.399+75.3 4.63.7+540.37 0.12534+188.25+12.5%8.37-3.25-(1.37+1.75) 210020 1178613123 153144.2553419.826.573.43 4.6+325+635+5.4 438+2.25+558+734 9.632.54 60.25 235 - 13518 35 153 0.653 （45 14 ）73 710 10 - 719 - 1219 + 119 2513 52 310 13.098.124.88 1210345007518 12 (35 109 ) (215 311 )1511