dubme'a lujvo

x1 is less than/has a smaller value than x2, with a difference of x3 (amount)

See also dubnalmau, dubmau

In notes:

dubdu'i
x1 is equal to / has the same value as x2
dubmau
x1 is greater/has a greater value than x2, exceeding it by amount x3
dubmecrai
x1 is the smallest number/value out of plurality x2
dubnalmau
x1 (number/amount) is lesser or equal to x2 (number/amount) with difference x3 (number/amount)
dubnalme'a
x1 (number/amount) is greater or equal to x2 (number/amount) with difference x3 (number/amount)
dubyfrica
x1 differs in value from / is not equal to x2
sorme'a
x1 is less numerous than x2