Question 120 Fill in the blank to make the statement true. Whole numbers are closed under _____ and under_____.
Addition, Multiplication If a and b are any two whole numbers, then a+b = c (whole number). Also, a×b = d (also a whole number)
Question 121 Fill in the blank to make the statement true. Natural numbers are closed under _____ and under_____.
Question 122 Fill in the blank to make the statement true. Division of a whole number by _____ is not defined.
Question 59
Fill in the blanks to make the statement true.
When we divide a negative integer by a positive integer, we divide them as whole numbers and put a ___ sign before quotient.
Question 20
Fill in the blanks to make the statements true.
The number of lines of symmetry in a rectangle and a rhombus are ______ (equal/unequal).