1、小学六年级数学四则运算简便运算小学六年级数学四则运算简便运算小学数学四则运算简便运算大汇总简便运算 431+3.2+532+6.8 25(80.4)1.25 7154-(2154-231) (1211+187+245)72 93.5321721125-997 998+1246+9989 (8700+870+87)871258.8 1.3+4.25+3.7+3.75 17.15-(3.5-2.85)3.499+3.44.81.01 0.4(2.573)(1.6+1.6+1.6+1.6)25 (94+65-187)3617110025712.3-2.45-5.7-4.55 97251+115920
2、.1250.256464.287+0.6421300 7836+7.8741-754 211317+121788721+0.12521+0.5 2.4243+4.58311-43 2510026254.25-365-(261-143) 3.83.9+3.90.1+0.13.9 12.1-(151+211)105)37.125.8(63.975.4-+- )38.648.2(17.348.7-+511)9518.3(957-+- 41666617907921333387+7.21111.07.09999.0+ 3.672.109.136+8.562.108.148+ 5269.375225533
3、+2.33.198.168.6+ 5.186.678.515.818.155.81+3.541352.422351.12235-+ 4123341223411234+8124668124468122468112468+34 -(15 + 13 ) 98 25 34 - 12 458 1( 34 + 13 ) 16 -(514 - 13 ) 7957 + 98 59 + 38 1 - 58 2528 - 31014 37 + 47 4 5 -( 67 314 + 613 ) +435252 12614121-+15141781714159+ 10713151321 +-425 -(2.5+1.9
4、)(0.5-0.5) 425 -2.5+1.9(0.5-0.5)425 -2.5+1.90.5-0.5 425 -(2.5+1.90.5)-0.5425 -(2.5+1.9) (0.5-0.5) 425 -(2.5+1.9) 0.5-0.51213 -412 -214 -518 -12.5% 0.12534 +18 8.25+12.5%(78 +1316 )1316 2.537 0.421315314 -2.25-734 89 1516 +(716 -14 )12 10(45 -0.5) 37 (2.7-4.2525 )2.8471.25+114 7.4+125% 58 10-4.687.2+
5、0.05 157 (556 -56 5) 18.09(1.5+223 )3.75-23 0.840.3(1.9618.9) 56 -(0.15+920 ) 1.8 1325+54018152.58+9.518 +40.125 2.1+7(3112 -1.625) 122.525 -2.113 +9.63 (713 +713 2+713 )43.8+1314 +6.2+327 27 (413 -3.5) 58 (234 +23 -156 )12 2.58+3.518 +0.125(9.5+912 +912 +9.5) 1212 313 -(157 +18 134 )125(0.05+14 )0.
6、25-25 125% 382+498 381382 498-116 5.350.25+2.6514(313 +34 -258 )(115 80%) (4.20.7+6125 )5260.832.512.5 7.69.90.01 8.320.58-0.320.581.255+0.2520 10.69-2.52.4 0.32.50.048.457+8.442+8.4 130.652 7.210.1-7.21.22.5+2.82.5 320.65+3.23.5 9816515 25(4+254) 60(125+154-21) 4150.35+0.651540.2537.5%+854125%3117+
7、311425% 112912172194150.35+0.65154 52452 321+3165585-855 2-136269-32 12581000-1258(51+31)15 5391+529 32548575+65+72+61 151+(31+121) 41(3-135-138)6592403 (41+75)28 5343+53413-15854 87154302167111 + 6511 (43-81)125133269 334121136598353489 (81165+)12772372646 )3852(65- )312321()43411(+-81875- 6516.516
8、.561+ 48185-)49215(49215 )74741()43747.0(-3397)1586597(90-+ 35.453852135.4+(4131+)-(5141-)-(6151-) (1364943-)-(9561371-)12.06+5.07+2.94 30.34+9.76-10.34 833833 25743441.7 1.25320.8 1773+174-773 195-137-95,41.06-19.72-20.28 752-383+83 874+295-95 1132+752+353700145 18.62.50.4 131917191729271327135.68+
9、(5.39+4.32) 19.68-(2.97+9.68) 7172+(185-172) 576-(83-71)1.25(80.5) 0.25(41.2) 1.25(2130.8) 0.74(7110074)24(1211-83-61-31) (12+72) 7 (753-2019)385 9.3(493100)0.921.41+0.928.59 516137-531371.311.6-1.61.3 5911.6+18.4599999+999+99+9 4821-998 3.212.525 1.25887.60.25 3.50.125 3.89.9+0.38 257103-2572-257(138)125 3700-2185-815 20(175) 4725314205 25(4032) (57)80 49258141256 162554 259+468+741+532 234540735 25645 25(64) (86)1251027.35.1 3.60.25 2.69.91.062.54
