2.25乘以3/5+2.75除以5/3+60%
2.25乘以3/5+2.75除以5/3+60%
1除以1乘以2+1除以2乘以3+1除以3乘以4+1除以4乘以5````1除以42乘以43的值
=3乘以2乘以1,=4乘以3乘以2乘以1,=5乘以4乘以3乘以2乘以1,那么100!除以99!
1除以(1乘以2乘以3)加上1除以(2乘以4乘以3)加上1除以(3乘以4乘以5)加上.1除以(8乘以9乘以10)
2乘以3乘以5乘以7乘以11乘以13乘以17除以(2004-2)等于多少 巧算、要巧算.
1015乘以3= 71乘以10= 876乘以4= 14 816除以4= 38+15= 101乘以5= 1169乘以3=
3又5分之一除以5/4乘以87.5%
用递等式计算,7/9乘以3/14乘以3/4,12除以6/7除以2/3,2/5乘以2/3除以1/6,3/10除以5/6乘以
15乘以5分之3除以15乘以5分之3
5分之6乘以( )等于0.12乘以( )等于4分之3除以( )等于1
8分之5除以( )=( )乘以10分之3=12乘以( )=1
5乘以根号3减去2的差除以2乘以25等于多少