小升初计算专项训练大全18

1、771813.8 + 0.0644879314=1681870310=10%=77410 50=6112800 + 50 =X=5743990.7=160.8X 0.7=6X=3X=973.3 * 0.3 =6112.880.47=9X=58527231=44551 0.66=534470.02=3636+ 18 37 X25%x 23 = 732.2 8.2 7.8 1.82.5 X 3.2 X 1.2510 : x = 83.66x 0.5X 6=8.52%x - 11 = 734 31(+) X 1083 491 71-13 +X8 8131 818X X 2 5250.48116 9

2、79771116+=+2275164=10%X994617=+5548613-=8+72169X=8+9587619=X87583015+ 15+ 87 X66.3 + 0.03 =83 + 46 =1560 - 260 =612+ 10=340 + 20 = 17+ 0.2= 0.45 X 0.9 = 4.2 + 0.3 = 7.32+ 0.09= 1.8 + 0.01 = 79.6+ 5=8- 0.87=32%x + 20 = 620.1 + 9.8 + 9.9 + 0.225 X 3.2 X 1251.84x - 0.5X 4= 810%x - 30 = 752 67(+) X 1203

3、 581 21+ 54 +X3 3545 858X X 6 9690.69 2 10 X X 10398 115+9 696* 177.3 10 : 603.2 40 :1X495%2.75.88%x250 X4.4* 0.02=59- 27=640- 350=16X 90=600 * 40 =640.8=0.9X 0.5=7.2* 0.6=6.40.29=4.8* 0.02=72841=39.23= 160.327x - 0.5 X 7600.1257.518169654 344 317176.8 1 9 )X805864%x + 29 = 593160 X 4 606 3 6X 4x =

4、:0.8310 7 1 9296 77 118 788 29XX9 1585.4 6.5 4.6 3.525 X 0.32 X 1256 : x = 80 :5.96x 0.5X 6551511.5-0.05 =66765538=1144970160=15%=77314X 50=7619960 + 60 =X=6768480.2=130.75X 0.3=4=6X=528-0.2 =5167.820.91=5=69513.8 + 0.06 =721180.06=634940.13=3636+ 18 58 X564%x 20 = 3840%x - 17 = 436 27XX7 1362 41(+)

5、 X 1203 581 51*15 +X66155 252X*X6 5650.94 113 5 454111559.71=44365438=1721700160=75%=99617 50=2412840 - 70 =X=3343720.7=520.5X 0.1=4=9=632.4 + 0.1 =11014.960.99=6=3965.70.13=9310614 - 0.07 =X=829529.33=2014+ 19 35 X380%x 15 = 577.7 8.6 2.3 1.42.5 X 3.2 X 1.252 : x = 16 :0.96x + 0.5 X 7= 7.550%x + 27

6、 = 501 39(+) X 642 481 61-37 +X7 7379 696X X 2 7270.84 25XX5 1945 2116 3631819 36 57 438 913526.8 511 =X=8 9481=65%+3 3111 =X=3 6710 1 = 7 =9 4110 =5=4 94 15 =X=5 66+ 13 + 73 X31.3X 0.7=5427=740230=2760=780 * 60 =770.6=0.85X 0.4=5.5* 0.5=2.080.04=19.1 2 =79.64=8.4* 0.03=80%x 17 = 457.1 3.2 2.92.5X 3

7、.2 X 1.256.76x + 0.5 X 5= 6.5(+ + ) X 482462%x- 22 = 601 81-21 +X99219696X X 4 54510 510.29997 511 8 68675116.8 + 0.04 =88587717=1317500330=65%=77620X 20=10218960 + 60 =X=X=9337790.5=440.8X 0.8=8=8X=338.8 + 0.4 =5916.760.03X=3=48369938=761516.2 + 0.09=X=877469.97=3468+ 17 76 X34%x 27 = 767.9 6 2.1 4

8、25 X 3.2 X 12.56 : x = 40 :1.56x 0.5X 232%x + 18 = 54468(+) X 1353 591 61-24 +X7 7241 616X*X4 5450.32 2113 3335119=X8838134=65%778415=X9336464-=955141=7-3375611=47731339* 13 40 X82-0.02 =82 - 26 =4 640 + 120 =5 23 + 40=580 + 20 =780.9=0.4 X 0.8 =9.2 * 0.4 =8.670.88=714 42=1.1X0.6=1.2X 0.4=40%x 24 =

9、479.4 4.8 0.6 5.20.25 X 3.2 X 12.510 : x = 32 :6.66x - 0.5X 4= 8.54%x - 13 = 376 27XX7 1762 11(+) X 1083 49171-18 +X8 8181 414X X 2 3230.57 1168 7876.3 7.3 3.7 2.725 X 3.2 X 0.12510 : x16 :3.35x 0.5X 457141-0.88 =885585 - 22 =1326980 - 250 =45%77512+ 50=3615980 + 70 =X4576190.4=270.6X 0.2=44X369.5 +

10、 0.5 =6164.34- 0.8645351.1 X 0.1 =6141131 - 33=533.740.37=2814+ 14 70 X232%x 18 = 56610 )X1355 920%x + 13 = 768121 X 9 214 94X5 254x = :0.64513 934 51 112 525 26XX6 155141678X75 +875412364 4 :4.2 6 5.825 X 0.32 X 12.5x = 40 :3.89x 0.5X 4= 9.571719.7 1 =4688547=15630200=60%=7411 60=115910 + 70 =24689

11、0.8=410.45X 0.5=8=366.6 * 0.3 =484.150.27=4=371.8X 0.1=61770.26=5962.50.27=+ 12 32 X425%x 17 = 511 9 )X 644 864%x + 19 = 576 149 X 7 498 98X 7x = :0.964113 837 83114 843 24XX4 1535711=X2225191-=10%X993419=4358814X=3-92756=38476175=75641944* 18 38 X46.8 + 0.19 =59 - 32 =8770 + 350 =710X 80=880 + 40 =

12、30- 0.7=0.15 X 0.8 =7.8 * 0.6 =8.480.91=70.87=29.26=6.8-0.13=40%x 11 = 503.5 4.6 6.5 5.42.5X 0.32 X 1254 : x = 50 :1.77x - 0.5X 2= 7.51 7 )X 724650%x + 30 = 703 138 X 4 38434X9 291x = :0.535 61 112 6257119.2 - 0.16 =.889261 + 16 =1719990 - 160 =90%55828 X 30=4617770 - 70 =X3768250.8=870.75X 0.3=5X89

13、68* 0.5 =1161.71 0.04=6947843- 17=102521.6* 0.01 =9343590- 32=3690+ 18 21 X880%x 14 = 502.9 5.1 7.1 4.90.25 X 32 X 1252 : x = 50 :1.85x + 0.5 X 2= 105 1 )X644840%x 19 = 548145 X 9452 52X5 258x = :0.878 93 114 945 26XX6 2156.3 5 3.7 525 X 0.32 X 1255.98x + 0.5 X 6= 8.55515876 + 34 =222.458 + 13 =1741

14、990270=65%99717 X 10=3611880 + 40 =X4724800.9=910.95X 0.2=75866.5 + 0.5 =1176.840.34=857611.2-0.08 =216559.58=XX325430.32=1248+ 12 11 X716%x 20 = 6420%x + 23 = 429210XX1099449(+) X 1203 581 71-14 +X88149696X X 2 3230.93 511 4 64611111596 + 34 =669366 - 37 =1743820280=20%X=77221 X 70=6215630 + 30 =X5

15、324990.1 =610.4X 0.6=68X559.6 * 0.4 =5615.870.96645967736=82327.4- 0.2=XX934329.5-6=2496+ 12 78 X532%x 25 = 802.4 0.2 7.6 9.82.5X32 X 12.54 :x =8 :8.87x -0.5X 3= 9.5(+ + ) X 6424864%x - 25 = 48131-29 +X4 4295 252X*X87870.7451-3 231 211 -2 3235115.3 + 0.12 =X64584 - 20 =12720230=60%9315 X 10=111520 -

16、 40 =53619- 0.5=140.2X 0.4=7335.6 * 0.2 =846.530.79=97549.7- 2=1715.1 * 0.03=X28310.8* 0.06=+ 12 39 X95%x 30 = 73761795X43 X762313087.9 9 2.1 180 :2.82.5X 0.32 X 12.57x 0.5 X 4=5.550%x + 15 = 798 29XX9 2184 41(+) X 1353 59141+ 55 +X5 5555 454X X 25250.35 118+6 9690.1 3.1 9.9 6.925 X 32 X 12.510 : x

17、= 64 :5.52x 0.5X 8711410.4 - 0.04 =447.397 - 17 =1644560 + 290 =70%55515X 30=7115540 - 20 =823434- 0.3=170.25X 0.4=67789-0.1 =6288.56-0.7=353714.7 - 0.07 =106112.50.23=XX977590.19=2460+ 12 81 X664%x 22 = 48(12321434151+ ) X 482 4625%x - 18 = 3511+ 19 + X 2194 34XX5 256x = :0.671051 9491119 210 X X 1

18、0 219242571X411.9+ 0.07 =224575 - 32 =1611960400=55%=99415 80=9X117750 + 50 =8348520.2=510.55X 0.4=94629.8 * 0.7 =81885.140.32=77957540=71519.90.16=82697.8* 0.06=2436+ 12 15 X350%x 26 = 645.3 8.7 4.7 1.325 X0.32 X 1254 : x = 8 :6.19x -0.5 X 6= 6.55%x- 23 = 39168(+) X 90259141-29 +X55297 474X*X6 9690.98 11-7 373 24XX4 2136 1117 27271311=X4433114=55%552411=3575116=3-55111=6X84386110X=95591995+ 19 38 X7548 - 30 =69 + 34 =5 580410=6 28 X 50=840 - 70 =350.5=0.6X 0.7=5.5 + 0.5 =1.46-0.58=49.35=29.28=477- 18=20%x 15 = 569.1 8 0.9 20.25 X 3.2 X 12.510 : x