1、六年级数学简便计算练习题1102.65 0 3.890.08 24 0.4 67.50.25 0.77 0.33 5 1.41.6 80 0.125=3 31 =0.33 =二、计算下面各题；能简算要简算 .771125 997998+124641 +3.2 5 2 +6.8 122 (1 2 +2 2 )33575400 125825（ 37 8）3.499 3.4 4.35 4.25 3.65 3.75( 1 1 ) 1213 2 4 434 (2 13 )125 8.84641573417.15 8.47 1.53 175 3 34 57 21 5 20.2532 16469511982
2、2.3 2.45 5.3 4.55(11 7 + 5 ) 72 4.253 5 (2 1 1 3 )121824664187.7 11 187.7437 1 57.125 1 0.58224533315 (714 4)0 / 42.42 3 +4.58 11 43431371222 6.6 2.565118 631 323454454.6+35+65+5.42.8+59+7.2+3945 (25+12 )3532536453534448+2.25+58+7475+47+255311 167+161127+3937+19+174 94+99 4+9994+9999495 4.25+4160.62
3、5 0.5+5+1 62.5%55555648299993112.5 (10 +10 +10+10 )22 4+25 75%-7 0.750.25 63.5 4 1321 / 47178171125-9966152.5-22 41539+3.125+1 9 +18(111+999) 56 (3-3)49.5 103-(50-1) 0.67 414+55 14+778521119197111317471 9934 (58 5.375)3.5 14+1.25 210+3.8 572 156-5672253212570999+7090.25 481322 6.6+2.5 6575.3 99+75.34.63.7+540.372 / 45 3+ 5 58 5 + 5 102 7+ 2 5（ 1 1）（ 24 4）78871516279336125（ 5 4 + 4 ） 41 （ 2 + 1 ） 1 2 7+ 2 5（ 1 1 ） 24 4 ）777753513336125(32 1 17) 5（ 25 3） 1 118 9 7 9 9412444251625161614（42）1056995711158 1553115105411841861183 / 4
