小升初计算题精选

1、一、能简算的要简算1 X0.8- 4 X2 + 3 X80%15515-+0.4+ (- -1.5X-)543Word资料，c c c 11.25X0.25+321657刊 24 X (1 (751, 3一 一 一 + 一21264-0.2 + 136213536 X(21 十 )94125/ 1013 ,9 日(x1339525)2 - 311 - 6十7 一 8X1一 5di(5.4 14) + (1 +0.65) X1- 5203八 32c 八0.7X- + - X0.7 + 0.7558X (3 +8512-X1- (2 2.05)21057 r / 5一汽(2061) X3 X-33

2、+6)43-53.2 X1.25 0.75 +0.4(1 ) + 3 X2 851217+2+4 +3215，八 1 一 一 “1.8 X- + 2.2X25%424 X(1 +1-)8612105X13 - 1890 -187+ 9X2s)1120.8X99+0.8333 37.86.35+9.20.65, 1、5. 98X0.37+0.63X5.987.65汉1 + (33.09)1020 X (3 1-1)64X5.67+ 0.36 X567( 2 + - -1) X2445 23465 X16.31 2.31+7(5 + ) X8+ 1975827271.25X2.5X32+ - ,

3、+ '4.85X3-3.6+ 6.15X3°2 3 2 3558、“5 . Q 1、1x 一 丁 (一一)15 693240 +450 +157 4X-11 57+ 代1142 X (1 )721(3-1)24216203 W5+ +121x4生4 27 274442、 4X( ) 531532 W0 +450 +182.25X4.8 + 77.5 X0.48包心（。）2025 53.5X9.9+0.3510.2- ( 1.75+- ) 0%41. 21 W2(4.46+0.14)0.75X4+ - X575%9 4 938 口(4.20.4) X0.52 + 1) 9 3U

4、+L-55 39(+-)-10 15126014f213 Tg1319- X 9.8+9.254201.3X7.363 X20.133.6X4Y40.6)50.8X3.6 0.8X0.68.86.75+9.20.25(卷+8I!)X2477+384 8xf74.87 X1 W2.12.09)112( )X9 X62736568198171_28 _ / 8_9、1033993515.8 +14.2 18183X9X (1 + 1)3 9X3 + 5 X+ X101818 183 c cc / 1X8.5+0.75X5+6.5-1-433.62.8+7.47.21723 17 232 35181

5、85 +(5-)6837.7X7+7.7+2 X7.7(0.25+5)X1.751)882+ (7+1)xiC C ，C 10.25X1.25+321:3=4x:17.5:x=24:123x6=8.253 82解程6:4.8= 43 (x1.2) =1.5x+0.9x14: 5 =4: -x82x x+2=14542 :4=x：-x-2=5 41 1 _ 5一：=一3 20 93x- -x+1=1342:x= 3 :5525 73 X0.7+4x=6.5- x1.4=3.6+ 2 x1 :x= 5 x:0.754336X ( - + - ) = : 8=x: 3x+3 X1.5=93 5159

6、42111121x一x=63=x:0.1x+x=3348436111112 ，115:一=x:一 x-X =4-:二一 ：x416203233209Word资料2x+2.7=24.7“ 40.6:36%= :x 54.2x06.4 W5x 1 76 34: 1=x:159 6X 8 x=3.6 9-x工 x=4.96:x= - ：-8x3X9=37354 4x 16 =1.542 : x= 4 :6- :0.1=x:363791 1 X0.5+ 1x=3- 22418 7 2 0.36X5-2x=0.4=x 8X+1x，31512x+7 X30%=14.7x0.85x=302 :4=x: 13

7、2-:1=x: (1+10%)x=334 810脱式计算（能简算的要简算）1 + 4 - X3 2 3 5 2(23x4J+f)4 512 154.85 X32 3.4+0.15X3-7.5汉31 + (42.5X2 )5535+0.4 + (1.5 X)5431 X0.8 4 X2+3 X85%15515Word资料，c c c 11.25 X0.253216533尸24X(1 8)+亍Z-A-1 + 32126 45/ 109十一33936X (2 2 1 -+ ) 94 1211X (乙-258 63(5.41 -) 5-(1 +0.65) X1-2030.7X3+0,7X2+0,78X

8、 (3+5) 2558 637.6X35%+6.5X0,76(1514X- ) X72111112858+ +X一 十X-2612207979521 1928X1321.7 (15.7+2 1) 333(7 7+9) X71.25X17.6+36,1 80%+2.63X 12.599 71497X554.80.8X0.40.686.96X10.10.69692.75 X0.72+ X2.75250.25 X0.39X0.41 +-8 X (-0.375 )-3 336363.75 (3.5+13.75)7.10.12586.7 3.25+13.375% +3.2X153016四、解程X 1x=

9、10.12x=1.86-+ -=18440%x =288 g :=x:1291 ,-(x+9)=5 x31“-x 20%x=1223 . 1=4 . 3一 26124 26X22x=38X75%- 3x=2.1- =5.8:2.97 374.58.79 X99X8.79一一141 X253 0.25+60 X-4431.25 0.75+0.4 532 X1.6+1.6X67+1.6132015 X 100710.1 X8.60.861- ( 1 + 5 108.09 X98+8.09X2122.5 X (1.9+1.9+1.9+1.9 )1 口(1 + 2)x2( + )X17 X1955 3

10、 1317 1925 X1.25X321°,51331.8 X- +2.2 X25%(- -) X 46449 44.2-1.51.5X60%4.831.56+0.172.449. 9+99 X9.924x2+51 X0.65X10143436.73.25+3.30.75c -1c5.211+7 X3 7211 131+13 15 15 172+ 117 19 19146(一 X7 X7)151528153.41.8+7.62.212.5X32 X25%111-(万-3)心4.5X99+4.51147 X467.86.35+2.2 0.6583,7_ X (94164)36 X (-

11、 + 2 + -4 9 20.4+ 1313（+3）1 + 1+ 1 + +11 3 3 5 5 717 199698 X9725 X1.25W0X0.87145X0.8+ x+80%x1313 513(+ ) X21X1921 196.7X6.7+6.7 X2.1+6.7 X1.248X(1 + 7 5) 3 86-+9 4 +99 4 +999 4 +9999 - 555551 1 11 3 3 59 11+ )39 271 X27 391“1.8+2.2 X25%45.58 +5.42 5536X(1 +1 1) 9 460.75X99+ 0.7586.67 (14.67+15.3)25

12、X32X12557.8 14.2515.754 X- + - X17 1 7“X- -50%2 2 125 7 5 7(1 11 + 1 ) 1 23 6122009 X200718.5 (8.5+9.3)2008211、1/55、1 X(+ X372X ( 一)+10323691212.18 (3.184.23)0.65X2010.2X0.25 X5X0.40.8WX12.5X2.5513- 3.67+6 - -0.33665531100542 ><(-)45(-)X2g136- Y(+ ) X-857x 1.98.57X8085.722 45(11-FF 2 3 4 6 12X

13、2432X0.125X0.5X0.255.1 4.9X25%14/八14 一7(22.3)1515103.625.381111111 + + 4- + 4- + 2 6 12 20 30 42 567.8X3.3+7.8X7.77.85 6 5 6X- X-9 5 9 52 1 7 + 1 X9-1 X915 88 1599解程3 (x 5) =8.43x- -x=-4x25%x=18.7523X: 5=0.07: 1723,x 1 28.2-x=4=-+x=95 4x:15=1:1x 5x=215 38X 5_ 3 .旦 x：=:6X9x=26.8: =8:x14 10 2023 6x+ 3

14、x=354 8(1+20%内=0.46.832%x=2x:2.4=5: 153x+4 X5 =5 81175%x- = -4 8X 0.85x=35x20%x=19.2- :25%=5 :x867 :x=0.4:90.4x+x=15 3.8 2x1x=2.137354: x= 2 :32:21 =x:54.83x= 493 82512x8x=2012 Y0.5x1)=440%x-14=720.80.6x - 0.36，c 1 c1.25：- =x:2.44-x+ 1 x1=65 4611x=1 一 ：25 44x 2.5x=0.758X (x-2) =2x+74x:73=4 5:7x25%x=

15、12.63.93X2.6+39.3X0.7481(i1 + 220%X1 +20%X8 + 1 99 541、60%- 40%X ()520(11+ 11 ) X12X1712 17-375X60%+24-+0.650.25X3 +5 X25%+1 8 84,71、.(X5X32165- + 1)4 31 X1012(1 + 2 X50%)h 2 57111、()4454.4X0.257.25X9.9+72.5%-4(-+-)-115 368.5X0.9+8.5X0.128.92.55+1.17.453.8X1.010.4 X X25X3.751393()X (1.6W.4)449.7+ +

16、+6.6251087.09X98+7.09 X2c 1 c 149 X-3.75-44Word资料3.644.36 X0.2518.25X11.811.8X17.257.5胃4.2 X (11)- 62(21 + 1) + (2+11)134X- X124 7g11“15+ 151115.95(5.9510)8 4 (60%+2)X4-1.7 5107897337.5%+104X0.3758255594.2584Word资料134.5? ( 3+7.5) X3-25-52 肃)963 83 852.61.8318.1767.5X0.39+3.25X3.9打口（1- 10）1.25X3.85 X

17、0.0083.8X9.9+0.380.6X27(3.83+6.17)4 (3 3) xA531 X993 1 X5.2+4.8482951639.8>3+39.8X38+398 X1.98.765.292.71+1.24"3一(-364164)5x34 53312 X20%X-5412.68 (2.684.5)0.25X12X0.91.01X5.25.2X0.01(5.65.6X0.7) +22.435530.5X1.25X4X0.8- X- + - X-76676412-口（一 一 一）X15.283.999.01772544444-+9 - +99 - +999 -+999

18、9 -4.87X99+4.87555550.53X22+5.3 X7.875/1Z5 16324.87 (2.98+0.87)8X0.25X1.25X0.4Word资料25-X- x (18X14)7911220.25K4-7)X2 哼7 9-X72%985643 X+ 1X3414111147 4+3.52+2 3 +5.487789.3W3+0.57 X89307X12.5X0.08解程或比例Word资料1.7+x=24.5x+10=2.53.5X63x=11 -58xx 14=7T +3=12x = 106 31x- 1 x= 5125%x=1- :x=2:-2 3 6824x 30%x=843x+8=35 51x12=40 43 (x+2