Which of the following does not have a value -3?
15+(-18)
-2+(-1)
-7-(-10)
-12-(-9)
A)
=15+(-18)
=15-18=-3
B)
=-2+(-1)
=-2+(-1)=-3
C)
=-7+10
=3
D)
=-12-(-9)
=-12+9
=-3
Which of the following expression does not have a value 5·23 ?
Which of the following does not have a diagonal?