早教吧作业答案频道 -->数学-->
1*2*3*4*5+5*6*7*8*9除以5*6*7*8*9
题目详情
1*2*3*4*5+5*6*7*8*9 除以5*6*7*8*9
▼优质解答
答案和解析
1*2*3*4*5+5*6*7*8*9 除以5*6*7*8*9
=1*2*3*4*5除以5*6*7*8*9 + 5*6*7*8*9 除以5*6*7*8*9
=1/126 + 1
=127/126
=1*2*3*4*5除以5*6*7*8*9 + 5*6*7*8*9 除以5*6*7*8*9
=1/126 + 1
=127/126
看了 1*2*3*4*5+5*6*...的网友还看了以下：
5/9除以（2/3-0.25）10除以5/9+1/6乘47/9除以5/11+2/9乘5/11（5/ 2020-04-07 …
1/301/421/561/721/90=?答案为1/101/30+1/42+1/56+1/72+ 2020-04-07 …
1/301/421/561/721/90=?答案为1/101/30+1/42+1/56+1/72+ 2020-04-07 …
六年级分数混合运算35道不要1.3/7×49/9-4/32.8/9×15/36+1/273.12× 2020-04-08 …
注:/为几分之几1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/ 2020-06-13 …
(1+2+3+4+5+6+7+8+9)×(1+2+3+4+5+6+7+8+9)-(9-8-7-6- 2020-07-18 …
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5 2020-07-19 …
1)12.53－1.35×2＋7.3=17.132)7.12×0.81＋7.12×1.19=14. 2020-07-19 …
6.8*8/25+0.32*4.2-8/25=一又1/4*17.6+36除以4/5+2.64*12 2020-07-19 …
可以简便解答：1）（3/4+1/5）+（4/5+1/6）+（5/6+1/7）+(7/8+1/9)+( 2020-11-03 …