11. A mathematical phrase that uses variables, numerals and operation symbois A. Expression B. Number Sense C. Equation D. Solution 12. It is defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value. A. Variables B. Value C. Expression D. Equation 13. The following are present in both equation and expression except B. A. Operation D. Numbers C. Vanables 14. What is common for both equation and expression? C. Variables B. Equal Sign D. Solution A. Axis 15. Which of the following is a variable? A 1 B. у C. 2 D. 5 16. Which is constant in this expression? Bir B. А. D. IT & C. 1 & 2 17. Which of the following can be used as variables? D. All of these С. Х BG does not change is called expression
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