Solutions Arithmetic Expression Problem

Solutions Arithmetic Expression Problem

In this post we will discuss the solution of problem set published in the post Arithmetic Expression Problem

Solutions

Solution 1

 4 x 4 - 7 + 3  
 = 16 - 7 + 3  
 = 9 + 3  
 = 12 Answer  

Solution 2

 7 ÷ 7 - 7 + 3  
 = 1 - 7 + 3  
 = -6 + 3  
 = -3 Answer  

Solution 3

 56 ÷ 7 * 4 - 7 + 3  
 = 8 x 4 - 7 + 3  
 = 32 - 7 + 3  
 = 28 Answer

Solution 4

 4 x 4 - 7 + 3 ÷ 3  
 = 16 - 7 + 1  
 = 9 + 1  
 = 10 Answer

Solution 5

 21 ÷ 7 x 3 - 7 + 3  
 = 3 x 3 - 7 + 3  
 = 9 - 7 + 3  
 = 5 Answer

Solution 6

 56 ÷ 7 x 4 - 7 + 3 + 2  
 = 8 x 4 - 7 + 3 + 2 
 = 32 - 7 + 3 + 2  
 = 25 + 3 + 2  
 = 30 Answer

Solution 7

 4 x 4 - 7 + 3 ÷ 3 + 4  
 = 16 - 7 + 1 + 4  
 = 14 Answer

Solution 8

 21 ÷ 7 x 3- 7 + 3 x 3  
 = 3 x 3 - 7 + 9
 = 9 - 7 + 9  
 = 11 Answer

Solution 9

 56 ÷ 7 x 4 - 7 + 3 + 2 x 2  
 = 8 x 4 - 7 + 3 + 4  
 = 32 - 7 + 3 + 4  
 = 32 Answer  

BODMAS Rule 

• Brackets (parts of a calculation inside brackets always come first).
• Orders (numbers involving powers or square roots). 
• Division. 
• Multiplication. 
• Addition. 
• Subtraction.

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