Which of the following is a numerical expression?
A. x2 – z2 + yz
B. l + m + n
C. 2a2 + 3b2 – 5c
D. 11 ÷ (5 – 6) ÷ 2
Answer:D
Which of the following is a numerical expression?
A. x2 – z2 + yz B. l + m + n C. 2a2 + 3b2 – 5c D. 11 ÷ (5 – 6) ÷ 2