Question

write the equivalent Roman numeral in the box
a)LXV- IX
b)XCII - L XVIII
c)XL ll + XXIX​

Answer 1

Answer:

LXV = 66

LXVII = 69

XXIX = 29

Answer 2

Step-by-step explanation:

Addition and subtraction are opposites. They basically undo each other. ... For each set of three different numbers, you can create two addition and two subtraction number facts that are related. We call these four number facts a fact family, since they're related kind of like the members of a family.