PDF chapter test TRY NOW

1. Convert the algebraic expression \((lm − n) \div (pq + r)\) into tree diagram.
 
The tree diagram is:
 
 
2. Convert tree diagrams into algebraic expressions.
 
62.png
 
The algebraic expression is
.
Answer variants:
YCIND_221111_4673_64.png
\(ab - c\)
YCIND_221111_4673_66.png
\(a - bc\)
YCIND_221111_4673_65.png
\(c - ab\)