substitution

This topic has expert replies
Source: — Problem Solving |

User avatar
Master | Next Rank: 500 Posts
Posts: 294
Joined: Wed May 05, 2010 4:01 am
Location: india
Thanked: 57 times

by amising6 » Tue Jun 29, 2010 7:56 am
[email protected] wrote:If * stands for /, / stands for -,+ stands for * and -stands for +, then 9/8*7+5-10=?
hey bubbly this is very easy question9/8*7+5-10 (first step replace all the symbol with correct symbol)
9/8*7+5-10=9-8/7*5+10 (then apply bodmas )
9-40/7+10
19-40/7=93/7
Ideation without execution is delusion