初一算题计02道及案答、1125X.(8+10)=1.25X8+12.5X10=0+12.1522.=52、9213-1(238.8+)9123-=23-18.8=0900-88-8.91.2931、.24X.3+8.83X.167=83X(..14+2.71)6=.3X83=249.、94999X10019=999(X1000+)1=9999X1000+9999X1=10089099、154.8X6.36-3.X.5+683.3X7.=14(8.-.65X6).3+.3X38.78.3X=.3+683.X3.8.3X7(63+3..)78.3X=10 =386、240+.8+7.76=(812.+8.467)+0.78=10+0.87=1.087793、3-15-473=339(1-57+43)93=3-200=3738、481-2989=482110-00+2=38329I3、2X215X25=4X8X251X5=24(25)XX8(X215)=01X01000=1000001、00498÷682=(602+2006+2600+1204)÷862=620026十2+060十2+660202÷+61284十269=0101+0+010+4083=841 、31.2X243.3X75.-21.X0.4532X16=.3X22.343.7X-1.25542X3.1X.6=42.3X(3.X2.75-3.152X1.6)=2.43X(X40.8X37.-1.255X4X.04)=2.34(X4X0.42X3X75-..125X4X0.)4=423.X(4x.4x7.05-1.2x45x0.4)-42.3X[4X0.4X7.(5-125).]4-.2X[4X3.40X.26]5=423.X(4X.5)24=27132、1.+188+.510.-X503.=.8+121-.10513=8-.0.51=1365..3、16.X5+385.X-478=5+228-74=8-47041(、08-98.)5X分之21.3-2=7.202/X-15.3=282.8-10.32=2.661758、7分X之+[4+1(3.-229.5)] =84/X+71[0+2.5]=X84/+478/7=61、200X7(506--49):9009=2007X7+900189=00十9002=17、11.25×（810+）1=.2×8+512.51×010=+125=2..518、2.124x8.3+.83x1.768=3.x(124.1+.67)=.8x33=42.91、9999x1009=1999x91000(+1=99)9x91000+999x9=110089902098x、63-.6.3x.5+8.63x37.(=4.816.-5x).63+83x3.7.8.=x6.33+.8x337. 83x.(63.3.7+=).3x1088=32、11.4+20.8+787.6=(1.24+.78)+6078=1.+0078=.01.8722、39-15374-393=3-(15743+)=933200-=3723348、129-894821=-100+203=8324213、x2152*254x=x185x25=24x(5)x28x(215)=10x01000=0100002、954802+6826(00+260+0260+0248)1+26=602+260+602+26+02600+26+12842+69 =10+010010+0+8=34482/628、1+843=1(90215+1)9+34=429104+3+591+4313=0+7327、3.2x24.33.x75-215.x.024x36=3.1242x3x3.75-1..524x23.1.x642=3.*3(2.3.x571-25.x.16)=2.43x4x0(.8x37.-1.2554xx.04=4).23(x40x.x2x347.51-25x4x..04=)423.(4x0.4x7*.51-.524x0.x)4=2.4x34[0x.x(74.51-.52]=)4.23x[x4.40x.652]=42.3(4x2x5)=42.7328、1.8+18+.1-505*0..3=.1+1820-.51=3.810-.5.=13.65129、6.x853.5x+-47=8522+-478 =80-4730(8、-90.8)5x之分-12.3=70.2X225/-.321=820.81-32.=26.7613、8x7之4分[1+(3.+2-.95)]2=8x/7+[4+1.052]=8x4/+7=8/7432、2700x(05-694)+9009=270x709+0=018900+9002=33、31.032(-148.4-0.895)2+.5=3.0235-75.+2.55=33.202-3.2=10034、(1+11-+5.1)=1(1)-5.+=015.1+=035、1.8+1(3-.029+0.92)3x1 =1.81+1.x17=18.1+.7=1198.36、.21×58+（1）0=.15×82+.12×51010=+1.2=52.523、97123（12-38.+）=8913-12238.-=9800-0.88=891.2973、.14×283.8.3+×.17=86.×31（.4+2.76)=8.313×=4.298、9939×19001=999×（910001+=）999×1900+99099×110008=9993、94.81×.636-3.×.568.＋3×.37=（4.186.5）-×6.＋38.3×.37=8.36×3.8.+33×7. =83.（6.3＋×.3）7=83×10.=83
发布于 2025-01-15 14:51:21
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