3 years ago

The digit that makes 39,9?8 divisible by 9 is

Mathematics

1 answer:

Luden [163]3 years ago

5 0

Answer:

?=7

Step-by-step explanation:

Here is a cool trick that I believe only works with 9.

Add the numbers, 3+9+9+8+x= divisible by 9.

3+9+9+7+8 is 36 which is the only number divisible by 9.

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