The write and simplification of the numerical expression is as follows:
1. Write the numerical expression.
[tex]42 \div 7 + (3 \div 6)[/tex]
2. Evaluate within parentheses.
[tex]42 \div 7 + 0.5[/tex]
3. There are no exponents to evaluate.
4. Multiply and divide from left to right.
[tex]6 + 0.5[/tex]
5. Add and subtract from left to right.
6.5
Learn more: https://brainly.com/question/1301963?referrer=searchResults