2022年小学五级小数乘除法计算题汇编.docx

精品_精品资料_资料word 精心总结归纳 一用竖式运算.- - - - - - - - - - - -精编学习资料五年级数学上欢迎下载15.6÷ 24=0.138÷ 15=1.35÷ 27=0.416÷ 32=2.688÷ 0.56=10.625÷ 25=0.375 ÷ 0.025=0.16÷ 0.25=126÷ 45=15÷ 0.06=10÷ 0.004=2.7÷ 7.5=25.6÷ 0.032=56.28÷ 67=105÷ 75=6.75÷ 15=22.4÷ 4=1.8÷ 12=6.7× 0.3=2.4× 6.2=0.56× 0.04=3.7× 4.6=0.29× 0.07=6.5× 8.4=1.8× 23=0.37× 0.4=1.06× 25=7× 0.86=0.6× 0.86=27× 0.43=4.8× 0.25=1.5× 105=二口算.0. 8× 25=1.25× 8=0.25× 4=10÷ 0.5=1000÷ 0.8=234× 0.1=456× 0.001=4÷ 8=6÷ 12=3÷15=30× 0.9=3.2× 100=三简便算法.2.32 × 6.5 7.68 × 6.56.345× 2.54 6.45 × 6.345 6.34564× 0.1251.25× 64× 0.12525×0.32 × 12.56.8× 0.528.6 × 0.5537.5× 5416.24× 25438.4× 1254.5× 4× 0.5420× 0.2536× 0.5438.9× 53.6÷ 0.250.48÷ 1.2596000÷ 1252.4 ÷ 0.1257.2÷ 2.537× 8× 1.252.5× 104一、直接写出结果.0.8 0.6=1.25× 80=5.24 3.76=625× 0.8=4.2 3.6=0.32÷ 16=13 0.26=9.6÷ 16= 14.5 0.24=4÷ 8=1.3 8.46=0.8 0.45=5× 2.4=1 0.01= 8.1÷ 3=2.4÷ 12= 250 × 0.4=20.5 2.05=37.5× 400=0.78 2.2=1.5× 8=6×1.5=25 ×0.4=9.6 ÷16=4 0.04= 4.15 0.85=10 0.1=0.13 ×7=9.6 ÷4=0.16 ÷8=二、列竖式运算1.64 2.35=8.65 6.31=28.448 ÷14=0.58 ×250=12.5 3.6=10.88 ÷34=10 7.64=1.86 ×7=13.88 6.29=926 ×0.15=8÷500=6.3 7.93=13.6 8.46=100.22.28=44÷ 9（精确到百分位）23 ×7.06=三、运算（能简便的用简便方法运算）8× 25 × 125× 16404× 2504555（ 682 15 55）32× 99 3248× 39 61× 483452 1787 122325× 56+45× 65489× 109 489457+317+343+583（ 85 40）×（ 20 5）578 405÷ 45× 164 6× 56 48× 4 6 4 6× 4可编辑资料 - - - 欢迎下载精品_精品资料_学习资料 名师精选 - - - - - - - - - -第 1 页,共 6 页 - - - - - - - - - -可编辑资料 - - - 欢迎下载精品_精品资料_资料word 精心总结归纳 - - - - - - - - - - - -可编辑资料 - - - 欢迎下载精品_精品资料_一、直接写出得数精编学习资料欢迎下载可编辑资料 - - - 欢迎下载精品_精品资料_0.6 ×0.8 =3×0.9 =2.5 ×0.4=3.6 ×0.4=12.5 ×8 =50 ×0.04=80 ×0.3=1.1 ×9=二、列竖式运算6.5 ×0.04=0.38 ×0.25=150 ×0.12=0.87 ×1.9=8.5 ×0.39=3.5 ×26.7 =三、简便运算12.5 ×0.96 ×0.82.5 ×3.8×0.047.69 ×10146 ×0.33+54 ×0.330.25 ×39+0.2599 ×9.8一、列竖式运算36× 5.5=18× 3.06=3.45× 21=31.5 ×24.5=0.8 ×0.56=4.23 ×0.028=二、简便运算1.01× 8.50.79× 98 0.79 × 21.25× 9.87× 80.25× 5.8× 0.476.3× 27 76.3× 170.125× 722.4× 992.86× 101 2.864.65× 32+6.8 × 46.5一、列竖式运算0.63 ×1.05=36 ×0.56=0.32 ×0.25=7.2 ×0.78=3.03 ×2.06=87 ×1.15=二、简便运算4.8× 1.250.73× 1027.8× 5.6 7.8×4.42.31× 1.2× 0.582.8× 31 82.8× 6912.5× 0.4× 2.5× 80.25× 360.85× 1997.25× 67.87 725× 0.2787一、列竖式运算4.8 ×7.5=150 ×7.4=0.45 ×1.32=0.28× 0.25=3 08× 0.43=48× 0.35=二、简便运算4.2 ×7.8+2.24×.20.25 ×8.5 ×49.5 ×1017.6× 0.8 0.2× 7.60.8×（ 4.3× 1.25）3.12 3.12× 990.86× 15.7 0.86× 14.7101× 8.6 8.68× 5.27 × 1.25学校五年级数学上期运算练习题集2.14 0.9=0.5+7.6=240÷ 48=4200÷ 300=0.75 0.38=396+99=90× 30=20× 35=1 0.2=3 2.25=1.57+3.43=286+199=18.54 9.9=36 × 99=2.4÷ 2=48÷ 0.6=96 ÷3=0.24 ÷0.2=4.8 ÷6=0.96 ÷0.03=2.4 ÷0.2=4.8 ÷0.6=9.6 ÷0.3=3.24 ÷24=3.24 ÷0.24=3.24 ÷2.4=2.4 ÷2=48 ÷0.6=96 ÷3=0.24 ÷0.2=4.8 ÷6=0.96 ÷0.03=2.4 ÷0.2=4.8 ÷0.6=9.6 ÷0.3=25.8 ÷6=22.8 ÷3=5.98 ÷0.23=19.76 ÷5.2=3.81 ÷7=32 ÷42=246.4 ÷13=2.17 ÷0.7=0.4 ÷0.01=5.3+6.7=5.4-3.6-1.4=30 ×0.01=15 ÷1.5=12.9-8.5=7.2 ×0.4=2.8 ×1.4=8+2-8+2=286+198=314-202=526+301=223-99=0.45×2.50.8× 1.250.3×3.60.3× 0.310× 0.070.3× 1.40.05× 70.92× 0.40.2× 0.260.14×4可编辑资料 - - - 欢迎下载精品_精品资料_学习资料 名师精选 - - - - - - - - - -第 2 页,共 6 页 - - - - - - - - - -可编辑资料 - - - 欢迎下载精品_精品资料_资料word 精心总结归纳 - - - - - - - - - - - -精编学习资料欢迎下载0.02× 0.11.2× 0.3=0.2× 0.48.2 1.8100 35.222.3× 42.5× 0.42.4× 50.22× 43.25× 0.5=0.9 0.523.99× 10× 3.5212.5× 88÷10 =10-1.8-7.2=0.43+3.57=2.5 ×4×12=0.9 ×0.8=7.5x-3x=a+3a+7a=1.05 ×100=1÷0.5=0.96 ÷3=1.47 ÷0.7=5.4 ÷6=0.16.51×0=0.56 ×100=3.78 ×100=4÷0.8=3.215 ×100=0.8 ×10=4.08 ×100=1.1 ×0.2 =0.6 ×0.8 =3×0.9=2.5 ×0.4=3.6 ×0.4=12.5 ×8=50 ×0.04=80 ×0.3 =1.1 ×9=0.16× 5=1.78 2.2 =9.6÷ 0.6 =1.2× 0.5=12 3.9=6.6÷ 0.66=3.9 2.034.2÷ 3.527 456 73=0.3× 0.3=7.2 2.80.9÷ 0.0113÷ 40.96÷ 0.31.5× 0.47÷ 0.2516÷ 1.65.6× 1.01=0.36 0.64=64.32÷ 160.7÷ 0.01=2.5× 0.4=1.6+2.4 × 0.3=2.14 0.912 ÷ 0.3=2.87÷ 0.72.5×0.7× 0.8=8 2.54.2÷ 0.172.8÷ 0.88.4÷ 4.213.8 9.92.4× 2.50.05× 0.82.56 0.3712× 2.51.23× 33.2÷ 1.63.5 3.5× 319.6÷ 2=8.8÷ 2.2=0.75× 40.5× 0.8=8.4× 0.2=1.6× 0.27.2× 0.3=2.8× 0.30.9÷ 0.15=1.8 ×0.4=5.5 ÷0.55=0.08 ×100=2.2 ÷0.11=5.46 4.54=12.5× 0.8=0.35× 0.3=1.4× 5=2.8 ×4=19.6 ÷4=22.5 ×4=0.396 ÷1.2=0.756 ÷0.36=15.6 ×13=0.18 ×15=0.025 ×14=3.06× 36=0.04×0.123.84× 2.6=5.76× 37.15 ×22=90.75 ÷3.3=3.68 ×0.2=16.9 ÷0.13=1.55 ÷3.9=3.7 ×0.016=13.76 ×0.8=5.2 ×0.6=8.4 ×1.3=6.4 ×0.5=4.48 ×0.4=5.25 ×5=35.4 ×4.2=0.042 ×0.54=0.76 ×0.32=0.25 ×0.046=2.52× 3.4=1.08× 25=4.8× 0.252.5÷ 0.7=10.1 ÷3.3=10.75 ÷12.5=3.25 ×9.04=12.5 ×8.8=0.43 ×0.28=6.45 ×0.73=4.6 ×0.6=8.9 ×0.05=3.08 ×0.43=1.5 ×26.7=5.22 ÷29=18.72 ÷3.6=13.95 ÷3.1=8÷10=10-1.8-7.2=0.43+3.57=2.5 ×4×12=0.9 ×0.8=7.5x-3x=a+3a+7a=1.05 ×100=1÷0.5=0.96 ÷3=1.47 ÷0.7=5.4 ÷6=128 ÷0.4=78 ÷0.6=9.6 ÷3.2=65 ÷0.05=54 ÷0.12=32 ÷0.4=36 ÷0.18=42 ÷0.003=78 ÷0.06=45 ÷0.005=81 ÷0.03=7.2 ÷0.002=1000 ÷1.25=10 ÷2.5=120 ÷0.024=7.5 ÷5=8.6 ÷0.002=0.0036 ÷3.6=8.6 ÷2=2.5 ÷0.005=0.36 ÷0.0006=7.5 ÷2=6.3 ÷21=8.6 ÷0.0043=46 ÷0.0023=8.4 ÷0.0084=1.28 ÷3.2=9.8 ÷0.7=4.6 ÷0.023=0.009 ÷0.005=39 ÷0.0003=133 ÷.0007=5.05 ÷0.5=123000 ÷1.23=0.00125 ÷50=5.6 ÷700=760 ÷0.008=4.329 ÷6=492 ÷0.004=18.63 ÷0.03=9.5 ×99=13.5 ×0.98=0.1-0.047=可编辑资料 - - - 欢迎下载精品_精品资料_学习资料 名师精选 - - - - - - - - - -第 3 页,共 6 页 - - - - - - - - - -可编辑资料 - - - 欢迎下载精品_精品资料_资料word 精心总结归纳 - - - - - - - - - - - -精编学习资料欢迎下载0.29 ÷2.9=3.4 ×0.2=0.57 ÷19=63+124+76=7.09 ×10.8=0.8 ×7.09=9.5 ×101=3.8 ×10.1=7.69 ×101=3.8 ×10.1=0.125 ×72=7×19+7=22.8 ÷3=5.98 ÷0.23=19.76 ÷5.2=3.81 ÷7=32 ÷42=246.4 ÷13=2.17 ÷0.7=0.4 ÷0.01=5.3+6.7=5.4-3.6-1.4=30 ×0.01=15 ÷1.5=12.9-8.5=7.2 ×0.4=2.8 ×1.4=8+2-8+2=286+198=314-202=526+301=223-99=0.45×2.50.8× 1.250.3×3.60.3× 0.310× 0.070.3× 1.40.05× 70.92× 0.40.2× 0.260.14×40.02× 0.11.2× 0.3=0.2× 0.48.2 1.8100 35.222.3× 42.5× 0.42.4× 50.22× 43.25× 0.5=0.9 0.523.99×10× 3.5212.5× 85.4 2.5 1.4=2.5× 1.25× 0.32=12 6.2 3.8=180+20÷5=1.7+0.43+3.3=75 ×25 ×4=250 250÷ 5=70+50 ÷ 50+70=13.7+0.98+0.02+4.3=18.6 3.47 0.53=72× 101 72=235× 28 35× 28=2.6× 78+78× 7.4=7.26-5.26-1.5=8× 2.50.251.25× 0.8× 0.5（ 1.5 0.25 × 40.12× 0.5× 0.167.28 ×99+7.28=4.3 ×50 ×0.2=5436 ÷18 =102×45-328=1001 9036÷ 18=3.8× 5.25+14.5=300-4263 ÷21=0.81 ÷0.25+5.96=403 ÷13 ×27=25+4 × 4=（ 1.2+ 1.8 × 4.5=1025 768÷ 32=645-45 ×12=10-2.87-7.13=0.96+9.69×.9=401 ×19+284=640+128 ×45=1.25 ×8÷1.25=5.37× 0+4.63=2.5× 7.1× 4=16.12× 99 16.12=5.0-0.9 0.9=7.28×99+7.28=4.3× 50× 0.2=64 2.64× 0.5=3.94+34.3 ×0.2=8.9× 1.1× 4.7=2.7 ×5.4 ×3.9=3.6 ×9.85-5.46=8.05 ×3.4+7.6=6.58× 4.5× 0.9=2.8× 0.5+1.58=32 4.9 0.9=4.8 4.8× 0.5=1.25 0.125 × 8=4.8× 100.1=56.5× 99 56.5=4.85+0.35 ÷1.4=0.87× 3.16+4.64=40.5 ÷0.81 ×0.18=4.8 ×15÷2.4=2.13 ×0×8257=6.81+6.819×9=0.25 ×185 ×40=可编辑资料 - - - 欢迎下载精品_精品资料_2.5 ×3.80×.04=0.25 ×39+0.25=8 ×5.271×.25=6.81+6.819×9=0.25 ×185 ×40=可编辑资料 - - - 欢迎下载精品_精品资料_6.8 ×0.75 ÷0.5=3.75 ÷0.1252.75=1.53+23.47÷.2=1.2+3.2+0.8 =1.2 ×2.5 ×4 =可编辑资料 - - - 欢迎下载精品_精品资料_3.01+1.7+0.99 =1×0.66 ÷6 =2.7-2.72÷.7=5.4 ÷0.510÷.17=0.78 ×99+0.78=可编辑资料 - - - 欢迎下载精品_精品资料_可编辑资料 - - - 欢迎下载精品_精品资料_5.4 ×7.266÷.05=8.7 ×17.4-8.77×.4=12.5 ×0.4 ×2.5 ×8=0.68÷（ 5.2-3.5 ×1.25=可编辑资料 - - - 欢迎下载精品_精品资料_可编辑资料 - - - 欢迎下载精品_精品资料_0.25+2.5+25 × 0.4=5-0.90×.2+1.80÷.5=6.4 ×3.28+4.63×.28-3.28=可编辑资料 - - - 欢迎下载精品_精品资料_12.27 21÷ 7.3 6.6× 2.4=4.4× 0.8 3.4× 0.8=9.37+9.37+9.37+9.372.5=×2.37 ×6.3+2.373×.7=46 ×0.33+54 ×0.33=1.93+2.7+2.07+7.3=26× 15.7 15.7× 24=2.275 0.625× 0.28=85.07 15.3 4.8+5.369=40（ 3.52.75+0.86 ）=37× 25+268 ÷67=（ 32+360 ÷ 45）× 72=（ 7590÷ 33 14）÷ 54=412÷（ 607 36× 14 ） =10.5÷ 5.2-3.5=（ 13.8 8.7）÷ 0.034=6.25+3.85-2.125+3.875=3.375+5.75+2.25+6.625=可编辑资料 - - - 欢迎下载精品_精品资料_学习资料 名师精选 - - - - - - - - - -第 4 页,共 6 页 - - - - - - - - - -可编辑资料 - - - 欢迎下载精品_精品资料_资料word 精心总结归纳 - - - - - - - - - - - -精编学习资料欢迎下载可编辑资料 - - - 欢迎下载精品_精品资料_2.1 ×4.3+5.72×.1=3.375 ×0.97+0.976×.625=6.54+2.4+3.46+0.6=可编辑资料 - - - 欢迎下载精品_精品资料_95.6 ×1.8+95.68×.2=1.5× 4.20.75÷ 0.25=3.27× 4 +3.27× 5.7=0.25× 80 0.45÷ 0.9=2.4+2.4 × 5.375-3.375=7.5-5.71×÷3=可编辑资料 - - - 欢迎下载精品_精品资料_12.37-3.25-6.75=16 ×6.8+2.21×6+16=58.7-16.653÷.7=可编辑资料 - - - 欢迎下载精品_精品资料_0.4 ×4.7 ×2.5+2.3+5.3=9.31-1.125-7.875=400 ×0.62+0.08=1.2 ×9.62÷.4÷4.8=（ 8.58 3.69）×（ 3.4 1.8） =1.5×（ 10.03 15.6÷ 7.5） =30.6÷（ 4.5× 0.16） =4.7+3.91 ÷ 32-29.7=3.12×（ 0.9 0.7÷ 0.1） =9.2+9.728 ÷ 3.2× 1.5=2.4× 0.75 1.25÷ 2.5=（ 20.2× 0.6 2.12）÷ 0.1=可编辑资料 - - - 欢迎下载精品_精品资料_1.50×.9+3.652÷.5=8.48 ÷0.8 ×0.9=101× 0.36÷（ 14.4× 0.05） =可编辑资料 - - - 欢迎下载精品_精品资料_25.3-9.7 ÷ 0.3× 8.5=10.5÷ 5.1 4.4+18.25=4.11 0.72× 3.38 2.13） =1025 1125÷ 4.5× 3.6=（ 6.8 5.4）× 2.75 0.9=0.875× 36+4.05÷ 8.1=（ 227÷ 25 4.68）× 0.5=630÷（ 2.98 6.5× 0.08） =21.88+29.8÷ 7.6=8.1 5.4÷ 3.6 85.7=3.44+20.5 × 0.32÷ 0.16=0.54÷ 8.7 45.3×28.4=0.1÷ 1+1 ÷ 0.8 0.1=（ 1.256.4） 14.88÷ 2.4=4.3 2.01 2.2÷ 4=58.8÷（ 0.6× 0.7）÷ 0.02=10.4 7.79÷（ 0.35 0.6） =3.6÷（ 1.2 0.5）× 5=13.7× 0.25 3.7÷ 4=3.6× 1.25+ 0.32 ÷ 0.4=0.8× 3.2 2.99÷ 2.3=2.5× 6 9.728÷ 3.2=5.2× 4.6÷ 0.92× 0.04=5.4÷ 3.94 0.86× 0.8=19.28 1.82÷ 0.7=10.56× 3.753.75× 0.56=1.5÷ 0.8 1÷ 0.4=（ 37.62+20.76）÷ 0.042=（ 17.2-4.5 × 3.6）÷ 0.32=6.02 + 2.8 ÷ 0.4 - 2.05=3.27×（ 80.5-9.84÷ 0.16） =71.2 71.2× 0.9÷ 0.25=1.08÷（ 3.94+34.3 × 0.2） =（ 4.25-4.25× 0.8）÷ 1.7=1.46× 5+12.8÷ 0.4× 7.5=1.52 1.6× 55.7=3.8（ 24 25× 0.6） =0.25 +0.125）÷（ 0.75× 0.4=20 2.5× 4÷ 8=4.8 4.8× 0.5÷ 2=0.8×（ 10.4 0.64）÷ 0.92=25.3-9.7 ÷ 0.3× 7.6=（ 4.5+1.3× 6）÷ 1.5=58.8÷（ 0.6× 0.7）÷ 0.02=0.4× 3.2-0.8 ÷ 1.2=16.78-1.61×.5 ÷0.8=53.73-17.492.×6+12.4=18.64 4.35× 2 20.9=80 8.2×（ 10 7.6） =9 8.5× 5 4.76÷ 0.1=1.68.4× 1.5÷ 0.18=（ 1.1-0.78）×（ 2.7-1.95 ） =（ 20.2× 0.6 2.8÷ 0.4=0.06× 10.14 0.64÷ 2=17.68÷ 5.2+2.7 × 1.5=19.8+3.749-0.2992.3=÷8.6+15.40÷.4 ×1.4=1.5× 1.2 0.6÷ 2.4=0.6×（ 6.25÷ 2.5 0.25） =4.32× 15÷ 12 5.1÷ 0.85=5.6× 12.5 8.5 ÷ 0.85=8.74 - 8.7423+÷700 ×0.03=0.38+9.623÷.7 ×5.4=4.38÷（ 36.94+34.3 × 0.2） =（ 5.84-3.9 ）÷ 0.4+0.15=1.6× 2.25+27.75 ÷1.5=2.02× 1.027÷ 0.26） =6.5 ×10-3.7+2.98=4.75+8.4÷9.2-6.8=4.5 ×0.75-0.356+9.23=5.4+0.63+1.290.÷23=1.46× 5+12.8 ÷ 0.4× 7.5=学习资料 名师精选 - - - - - - - - - -第 5 页,共 6 页 - - - - - - - - - -可编辑资料 - - - 欢迎下载精品_精品资料_资料word 精心总结归纳 - - - - - - - - - - - -精编学习资料欢迎下载2.98 6.5×（ 3.2 3.12） =15.6-2.4 × 0.8+4.32=4.110.72×（ 3.38 2.13=（ 6.8 5.4）× 2.75 0.9=1÷ 0.25×（ 1.28÷ 3.2） =4.78 0.22× 20÷ 16= 31.7 0.5× 0.7 1.65=10 7.5×（ 6.4 5.9） =（ 2.95 10.58 1.53）÷ 0.25=4.2 ×6.183.03+ 6.3=2.7 ÷4 + 6.30×.25=五年级上册小数乘除法运算题（二）（商是循环小数的横式答案用简写方法记录,除不尽保留2 位小数）85.44 ÷1642.84 ÷7101.7 ÷967.5 ÷15230.4 ÷621.24 ÷360.736 ÷2343.5 ÷1235.21 ÷739.6 ÷246.21 ÷0.03210 ÷1.451.3 ÷0.2791.2 ÷3.80.756 ÷0.180.66 ÷0.311.97 ÷1.569.6 ÷2.938.4 ÷0.815 ÷0.068.2 ÷0.120.8 ÷0.976.4 ÷5.44.7 ÷31.25 ÷1.232 ÷4214.36 ÷2.78.33 ÷6.21.7 ÷0.032.41 ÷0.70.396 ÷1.20.756 ÷0.3690.75 ÷3.33.68 ×0.2516.9 ÷0.131.55 ÷3.925.2 ÷6=34.51÷.5=5.6 ÷0.04=1.8 ÷12=1.8 ÷1.2=7.83 ÷9=4.08 ÷0.8=0.54 ÷0.6=6.3 ÷0.14=72 ÷15=14.21 ÷7=24 ÷1.5=1.26 ÷18=43.5 ÷29=18.9 ÷0.27=1.35 ÷15=28.6 ÷11=20.4 ÷24=3.64 ÷52=156 ÷0.12=328 ÷1.6=1.35 ÷27=7.65 ÷0.85=12.6 ÷0.28=62.4 ÷2.6=54.4 ÷0.16=1.44 ÷1.8=11.7 ÷2.6=19.4 ÷12=59.8 ÷0.23=19.76 ÷5.2=10.8 ÷45=21 ÷1.4=8.84 ÷1.7=62.1 ÷0.03=1.89 ÷54=0.51 ÷2.2=7.1 ÷2.5=1.998 ÷0.54=1.28 ÷16=2.1 ÷0.4=2.56 ÷32=50.18 ÷38.6=4.68 ÷75=14.7 ÷0.07=5.4 ÷15=124.8 ÷0.24=23.4 ÷585=0.544 ÷0.025=203.5 ÷11=24 ÷15=3.64 ÷52=8.32÷ 45.92÷ 1.60.63÷ 0.15140.4÷ 189.18÷ 9243.2÷ 6.47÷ 0.2815.6÷ 20.138÷ 0.15216÷ 2.76.4÷ 32104÷ 0.524.4× 0.8 3.4× 0.89.37+9 37+9 37+9 37× 2 52.37× 6.3+2.37 × 3.72.5 ×1.25 ×0.323.8 ×10.12.5 ×3.8×0.047.69 ×1013.8 ×10.10.25 ×39+0.250.125 ×7246 ×0.33+54 ×0.33可编辑资料 - - - 欢迎下载精品_精品资料_8 ×5.271×.256.81+6.819×90.25 ×185 ×406.8 ×0.75 ÷0.5可编辑资料 - - - 欢迎下载精品_精品资料_3.75 ÷0.1252.751.53+23.47÷.29.5 ×9913.5 ×0.9840.5 ÷ 0.81 × 0.184.8 ×（ 15 ÷ 2.4）6.81+6.81 ×990.25× 185× 40可编辑资料 - - - 欢迎下载精品_精品资料_学习资料 名师精选 - - - - - - - - - -第 6 页,共 6 页 - - - - - - - - - -可编辑资料 - - - 欢迎下载