5道分数乘百分数计算题答案

1.125*3+125*5+25*3+252.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4.3/7×49/9-4/35.8/9×15/36+1/276.12×

上面几页是简单的,下面有奥数题,直接传文件给你了. 再问：蟹蟹再答：　　不客气。很高兴能帮到你。

1、设两地距离为X,客车速度为a,货车速度为ba=b+15X=8a=10bb=60x=600

1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）

1.125*3+125*5+25*3+252.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4.3/7×49/9-4/35.8/9×15/36+1/276.12×

一、填空题1．计算1.135+3.346+5.557+7.768+9.979=_____.2.计算1.996+19.97+199.8=_____.3.计算9.8+99.8+999.8+9999.8+9

1.3/7×49/92.8/9×15/363.12×5/64.8×5/45.6×3/86.4/7×5/97.3/2×4/58.7/8×1/89.9×5/6+5/610.3/4×8/9-1/311.7×

一5*（30\15）＝5*2＝10二25*3\15＝75\15＝5三14\7*19＋2＝2*19＋2＝38＋2＝40四1*2*3*4\12＝24*12＝2五（6\3*23－21）*（27\9＋35\7

5%+1-10%答案95%即19/2012+43+32-10=775:X=15:60,X=20

1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）

5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×

3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）8.

http://wenku.baidu.com/view/68f87a110b4e767f5acfceb8.htmlhttp://www.doc88.com/p-9082091455991.html两个

1.125*3+125*5+25*3+252.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4.3/7×49/9-4/35.8/9×15/36+1/276.12×

3/4+0.25-25%=0.75+0.25-0.25=0.753/4+1/4-1/4=3/4一般这种题都统一化成分数或小数后再计算.

0.75＋4.25=54.2×5=214.7＋2.3=76－3.4=2.60.75×100=755.6÷100=0.0562.5×4=1010－9.25=0.750.06×1.5=0.90.3÷0.5

1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-（3/2+4/5）

36×7÷45％180×75％÷3×51700×15％÷5×30.25×8.6×489＋456－785%＋3/7×49/9－4/39×15/36＋1/272×5/6－2/9×33×5/4＋1/494÷

第一题“79又17/16”是不是写错了?

百分数转化的书再问：不是书是计算题