小升初六級數(shù)學(xué)計算題訓(xùn)練

1、脫式計算1 31154r12、71 21 - (_ + _)十 X31 X 十 X 74 8891256597311r15、43175823+X 25(-)+ _129 12254508615341(1-3)3)-自-4311+ + 834111 5X (_ + _)532 64-281-十5154113108X2X9 )(|(2 + 4)3 9( 簷 + 3 ) X 15X 11312(1 7)(1-(- + -)-454 511+ + 127-X ) (16595 84 21311(+_)十 一488悄-i)號85510X + 1516279154X3912567乂 11 X 15X 10

2、193而 X 8 X 501 1、1 X 1+218+24-3 3、44-8 X295- 7X1 6X3 一 518235315WX4- 92 x 648-0 69 X 7435 31X6 +4 X 65X1+T52 3/(1 54- 9X3 一 00XZ114- 7X5131+1) X 1523 +715 X7丄-I16丄255(4 +)87 . 9r25101.5 0.31110 56X2 1x 2+ 10384x15163亠5121X538729165X618112丄+3X1十 21X (-31-+8156.81510里51.)X (4 ) 103103 2 1243)5+ 12 51

3、丄X 45-+38，35416 6丄衛(wèi)519亠_92 -2 十-9 - ±1326153 十8 - 5x 259 62025 X -353十一 x 2101251 +2X 2544 、4X+-* 77770.75-321、16X 2+31111、5*-X 85102372 X 7(53 6-)r2+-)4 一 一231r211 .* +X535131 311-4 +8-H42X151 2 (+ ) *4 一13.09- 8.12-4.883.85 0.4*8358- 11859* 59 X 4112X 103 4500* 75X* 3.3 + 5.9*X*X 40.74 0.5888

4、53 11457* 57 X 410.25 2* 418*X* 9.4 +196.25 40* 16X 3.51 *X 4* 5.8*X 0.2+0.18用簡便方法計算:1-)X 7072-)X 72312X1+14十 9+ X25258 x 9+3913.755 2.7518邏182 +362 44-)X 21 + - 一 7一X 725(1223)24X 9611172X (-.+ ) 1234143 5-+ X+ -48> 98 61124X (-+ 一)(687271-+ +X28 3825512924 -51843433711+7974一 513、24XI+ 一6128216.

5、1333(41) 一21V54)'71017、18X (6 -)29541、60X (-)12152x 31+2 (0.5*5(5824(50474+974+974X 251258+- X 214)X 9+-9 135+153020 131+11+) X 60 - 274353097415.7322.393.61101X 0.67XX 2.5X 99 + 8.98776 X 1 + 24 X 0.125832.6+ 277 + 67.4X 32 X 12.576XXX 2.37+2511363173 + 4 +11253515X 32 X 25XX 4x A863452解方程:1417

6、711234511955434351162031220-(6.8 + 4丄 X 6.8 6.812525X 37 X199834X +15X 7711 1X (-+ )23 6,121 .一+ 6521566241卜一H+35683色3 3.754487 + - + 11911< 43 + 43 X -71 、一4421(9-)38115-)12236411 ,XX+ 1十53378571333XX3。41+91159+ 29992+x18111 =9893X-X 2=1.1X+231 =21718122X-3x =1.7573712 、,3X13=13X+= X =15 X -X+ 5

7、102556812r1=25r5、84 123XX1+-1 -X =XX _ X _ = 10XX :=8 X 49155834XX2 =815-X = 57X4X = 21X+1X =20721641111X X+ X 45 = 12 X-25+ X- 5=X 19X 5 =4533X - 60% X =18- X 8=9540%X+30=8055 - 8-X3%O3X丄 3 27 _iirx - r= 58x=16xX?+Z丄43243258116X=X 572965184415X- 12115 5 '=28X 3= 1.2XX= 180.4X1013550.25+X=5X4261

8、2X亠 _6 =26寧35 =352 13 X=4+7=1034X 3.8 + X= 10.8X X- 0.8= 8113、，43X1 、,120X=X=X1551524214 X -X- 2= 216.4- 5X=4.457X+ 丄 X 55= 110104X+1 X=2521亠5 =7X+2X -3816105X 5 =6 12X： 20= 5641 X= 0.65X 8 = 89 7X3 1X X= 214 4313255X=15194X+2(8-X)=26X X -= 82-X 120 X 1 = 2454X53X= 49103X= 0.84-X= 408X = 78XX 5 + 58

9、 62 1X X= 1035205 X=立8 16X 10X - = 5683.5X+ 1.8 = 12.35X-2= 101-X= 34解比例:1550.3 : X=-X=-3432x:10=41:310.4:x=1.2:24: 2=x:321:51=41:x0.8:4=x:842:x=3:121.25:0.25=x:1.69:2=x:8x:36=3 : 54x:32 =6:2524x:5.4=2:2745:x=18:262.8:4.2=x:9.6101:x=81:412.8:4.2=x:9.6x:24=43:318:x=54:4385:61=x:1210.6:4 = 2.4:x6:x=15:130.6:12 = 1.5:x34:15=x:451112:45 = 2536:xx:114=0.7:1210:50 = x:401.3:x=5.2:20x:3.6 = 6:1813:120=169:x4:60 = 8:x3:8=x:641x: