小升初计算题精选

1、、能简算的要简算113X0.8 - 4 X2+3X 80%155153 +0.4 + ( 3 -1.5 X 1 ) 543- c c11.25 X0.25 + 32-24 X (1 5) + 33 78775-3- -21264136213536X(22-13 + )94122YTW + 5(5.4 1, 3-(1 +0.65)20x230.7X 3 +52 八八-X0.7 + 0.75(2-2.05) 10f720X35 +(11 + 2)xW36310J(2 +)x 2+4 5365543 1.25 - 0.75 +0.453.2X (15) + 33X2 85125 +7 683 +2,

2、1-)X24153+4；+3 151.8 X 1 + 2.2 X25%424(1 +1-1)8612105X 13 - 1890 -1891x )28120.8 X 99+0.837.86.35+9.2 0.655. 98X0.37+0.63 X 5.987.65(33.09)1031120X ( 3-)45264X 5.67+ 0.36 X 5671、-)X 24655 X 16.31 2.3175 + ) X 8278+19271.25 X2.5 X32+ 1 1 + 14.8532 3X3353.6+ 6.15 X3-5导240 +450+ 15+工-5112517 x41151642X

3、 (1 3) 7203X45+180+ 12g+1427 272x(42)753155 + (3+0) 84 5X532X40 +450+182.25X4.8 + 77.5 X0.482 + ( 53)36420+ 1 X (2+4)25 53.5 X 9.9+0.3510.2(1.75+ 1 ) +50%41. 21X42(4.46+0.14)0.75x4+3x9 45 575%938+ (4.2 0.4) X 0.5“11、21+ ( +1)+ 15 3910 + 151260瑶-2得9201.3 X7.363X20.133.60.8 X 3.60.8 X0.68.8二+3空)12 824

4、X 244.87 X1 +(2.12.09)568198171015.8 +14.2181118X9X (3 X 8.5+0.75 X 5+6.5+ 113.62.8+7.4 7.21 X 9.8+9.25 X 1453+9X4 - (-0.6)56.75+9.2 0.25x4711)X9 X62736935lx5X3 + 518+( 0.25)4166+23+-9+172317 23x + x 1018 181+1)2 33.25 +5 + 4317- 5187.77+33+74+1) 7 22518+6 +(，1)X7+7.7+2X7.7(0.25+(80360% X 99+99X 80%

5、0.251 X 1.25 -325)+(1.757)12X 18171217二、 解方程4 6:4.8=-x(x1.2) =1.5x+0.914:5=4:82x1x+2=142 :4=x:32=51 1x+1=13242:x=5:x20 93X0.7+4x=6.51.4=3.6+ -x 31-:x= 35 x:0.75652X+2.7H24.7XIOOXH3.69IX XK9 3 5I - 8义 I9 475XH24- 12 3x1 1 一 HXO14 84P6 一 36%hI.t乂3X+3 X1.5H96H8.25I x+ XH 4 3 61 1 5I - I HI - X3 2。 94.2

6、X +3H6.4X44 1I - Hx 二 5 9 68x 3X9H37x 16 2 4 > 4 7IHI XHO)O1HXW6 1U14 3 7 91 13 1XP5+I-XH3IG2 2 40006 X 52XH0.4X+1x，31512x+7 X30%=14.7 x 0.85x=302 :4=x:11：1=x:(1+10%)x=33324810脱式计算（能简算的要简算）1+£) 12 152X1-34.85 X323.4+0.15 X 3557.5 X 3- - (42.5 X -)35113X0.8 4 X 2+3 X 85%15515-1.5 X -)- c c11.

7、25 X 0.25 -32*2"(1产7 2 13212 6 + 4n-0.2+n36X (2213+)94 129-5(”x斐+2)3395 5(7+1) +12 8 63(5.41-) + (1 旦+0.65) 5203+-)8 623(15 14X 4 ) X -87210.7 X 3+0.7 X 2+0.78557.6 义 35%+6.5X 0.76-+-2 6 12 20X -+5 X9 7521 192+8X1321.7 (15.7+2 1 ) 333(7 7 + 9)x 空 997141.25X 17.6+36.1 -80%+2.63X 12.5_ 5_ _ 97X55

8、4.80.8 X0.40.686.969X10.1 0.6962.75 X 0.72+ 25X2.753+导（5）0.25 X 0.39 X 0.463.75一(3.5+13.75 )7.1+0.125+86.73.25+13.3 75% + 3.2 X 153016四、解方程X1x=10.12x=1.86-+-=16124 25 I40%x H28 一I (X+9H5 IX38 X753XH21141 X 25 举 0.25+60 xl-41.6+1.6 X 67+1.6 20151l-x20%XH12bH5bo29 4018.79 X 99X8.7934IO1.25P75+P4XLr 1。

9、-1 X 8.60.861007X 98+809 X 2X (1.9+1.9+1.9+1.9 )2 5h+元)X17 X 1917 191.8 X 1+2.2X25%45x3 36449425 X 1.25 X 324.2 +1.5 1.5 X 60%4.831.56+0.17 2.449. 9+99X 9.924X旦+51X翌0.65 X10143436.73.25+3.3 0.755.2一 r 1c11 + 7- - X 3-X5-X544二十二11 13 13 15 15 17 17 19 19(X 7 X 7) 一空 3.41.8+7.6 2.215151512.5 X32X25%1(

10、11) X36234.5 X 99+4.547117.86.35+2.2 0.6546x(;8 X 3 -(-)3694164451+34 80.4+1363 -135义9697981+1 +1-+11 3 3 5 5 717 19x 0.8+ x +80%X -131351325 X1.25 X40X 0.8(+ ) X21X1921 196.7X6.7+6.7 X2.1+6.7 X1.248x(3+8-i)5555544444+9- +99- +999- +9999- + 1 +1 3 3 59 11_2+且39 271X27- 395.58- -+5.42 -551.8 X 1+2.2X

11、25%436X(1 + 11)0.75X99+ 0.7586.67 ( 14.67+15.3)9 4625X32X12557.814.2515.75+57 572x 50%121-12-1+1)3 612344556672009 X 200718.5 (8.5+9.3 )20081 2 X (1 1 ) +1X3323672 X (5 ) +10 12.18 (3.184.23)9120.65 X2010.2 X 0.25 X5X0.40.8 X 4X12.5 X2.535 3.67+6 1 0.331005+42X(刍5)45666731(5-2)X29 + (1 + 3) x 6857 X

12、 1.9 8.57 X8085.722 45(1+1+1+1+±)x 2432 X 0.125 X 0.5 X 0.252 3 4 6 125.1 +4+4.9 X25%(2 2.3)103.625.38+ + ±+±2 6 12 20 30 42 5615157.8X3.3+7.8 X 7.77.83 (X5) H8.45 1 X-ICHOO7;7 21X9I-XH26OO1 1 X9+ X9 9 925%XH18.75二 “8 乂3 6x 3 2A+IGXH35 (1+2。) +XHP4 60032%xh4 8 55 1 11 3X+4XH5 X24H5- I

13、 75%x I HI8 5 4 8XP85XH35x 20%XH19.27 5一25%h1u乂8 67 9 2 1 (¥04 wP4X+XH15 300KXI-XH213 7 3 5198196x 0.361 1 28(1J+IK)4 4 5 Hxol 2十P5X 1H4HX24 42.5XHP7525%XH12.63.9344OO3XHI-t540%x 14H72IGX+I-X1H65 4 68 X (X2) H2X+7X2.6+39OOXP741DO1 4 1 2。电|-+2。%<|0+ 6。 4。%<(以1) 9 9 5 5 2。4 5 2 log (8OOI0)

14、+IK11 11 (Fk) X 12X 12 1775X6。+%+0.6P25XIG+ICX 25%8 81+1) x 104 31271、 ”)X 5X32 165712“w-(2+5x50%)1671,11、()4454.4 X 0,257.25 X 9.9+72.5% X ( 2 +-)-115 368.5 X0.9+8.5 X0,128.92.55+1.1 7.453.8 X1.0193(9 3) X (1.6 +0.4)440.4 X X 25X3.7513“ c 八1c17.09 X 98+7.09X249 X - -3.75 -449.7+ + 0 +6,62510 83.64

15、+4+4.36 X 0.2518.25X11.811.8 X 17.257.5 + 4,2 X (1-)-62(2- +- ) - ( 2+11 2 33亘 xZ+Zx1115 15118 4(60%+2) X， +1.7510715.95(5.95 10)尹25(12)101.25X3.85 X 0.0083.8 X 9.9+0.380.6X 27(3.83+6.17)(7+7 2 6一1) X 36756.96一(19.55+6.96 )(343一8)X429531X 9931 X5.2+4.8 -5二旦164_3 _ _897- 37.5%+104X 0.3752585534.25841

16、354.5 + ( 13+7.5) X3397 X 25961x"(")383 852.61.8318.1767.5X 0.39+3.25 X3.939.8 x 43+39.8 x 38+398X 1.98.765.292.71+1.24|一(17r4)_3 312+ 3 X20%< -5412.68 (2.684.5)1.010.25X12X0.9X 5.25.2 X0.01(5.65.6 X0.7) +22.40.5 X1.25 X4X0.864126+(4 1)X*15.283.99 9.017725444444+94 +994 +999- +999944.87

17、X 99+4.87555550.53 X22+5.3X7.84 3 57521+ + X- 一9 5 9516322x1+6 -57 72(- + 2 3) X24 2 344.87 (2.98+0.87 )8X0.25 X 1.25 X 0.42X5X(18X14)2 - 0.25791122(4 7) X 2 + ”7 X72%-4 +3.52+2 - +5.4877X12.5 X0.082398564- X 1 + L X341741111489.3 X 43+0.57 X 8930解方程或比例21.7+x=24.5 x +10=2.53.5X63x=11-581 2143 “cx10-

18、xX=96Xx=12941658631x-1 x= 51-一八，1-25%x=1-:x=2:1236824x 一-30%x=843 一一3x+8=351x-12=40544:x=:10x:28%=1 :0.751143 (x+2.1 ) =10.50.5x+0.8=10- :x=4: 4455X0.83x=15 x 3 = 2 x0.5x+ 0.2=5064 78=4x x - 10.5(x+0.8)=827.2+ x=6.8x:3 5=4 60.25 X42x=0.8x:10%=3:20%7.83x=3.62 - 1134 12410: x=2： 45x = 3720.84x-8=1252.1X(18x)=4.2 x0.75x=303:4=x:1.26(x