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Write an expression for "the sum of ddd and 999."Write an expression for "the sum of ddd and 999."vWrite an expression for "the sum of ddd and 999."Write an expression for "the sum of ddd and 999."Write an expressio

Respuesta :

Answer:

d+9

Step-by-step explanation:

By the sum of two numbers, we mean the addition of the two numbers.

For example, the sum of 3 and 5 is given as:

3+5=8

However when one of the term is an unknown, we simply add and the value of the unknown can only be found if we are given more information.

Therefore:

The expression for the sum of d and 9 is written as:

d+9

scottlinr

Answer:

the expression is ddd+999

Step-by-step explanation:

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