71/5÷1.25÷8 136-136×4/5-136×0.2 17÷51+（1/68+2/51）×17．
7
÷1.25÷8
136-136×
-136×0.2
17÷51+（
+
）×17．
| 1 |
| 5 |
136-136×
| 4 |
| 5 |
17÷51+（
| 1 |
| 68 |
| 2 |
| 51 |
数学人气：726 ℃时间：2019-11-03 18:47:53
优质解答
（1）715÷1.25÷8，=7.2÷（1.25×8），=7.2÷10，=0.72；（2）136-136×45-136×0.2，=136-136×45-136×15，=（1-45-15）×136，=0；（3）17÷51+（168+251）×17，=13+168×17+251×17，=13+14+23，=（13+23）+1...
我来回答
类似推荐
猜你喜欢
- 1What do you think of the picture?同义句转换
- 2写真诚的作文400字
- 3近义词辨析:faculty/ability/capacity/capability
- 4好词好段摘抄加赏析
- 5If you can get the tickets tomorrow.Please tell me ___ phone.A.by B.at C.on D.through
- 6求 Y=x^2+2x-1 (x>0)的反函数
- 7He has no choice but to wait.为什么要加to?He can do nothing but wait.为什么不用加to?
- 849.It is one thing to enjoy listening to good music,but it is quite _____ to perform skillfully yourself.
- 9某人乘船由A地顺流而下到B地,然后又逆流而上到C地,共乘船4小时,已知船在静水中的速度为每小时7.5千米,
- 10一个长方体水池,它的长是50m、宽是2m、深是3m,如果水池中水深1.5m,这个水池有水多少立方米?