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4!x4+4!÷4!!

By using the PEMDAS/BODMAS rules, you see the operators +,x and ÷.

First do the division, then multiplication, then only you do the addition will make 99.

Factorial = 4!=24.

Double factorial = 4!!=8

Steps:

4!x4+4!÷4!!

=24x4+24÷8

=24x4+3

=96+3

=99

Therefore, 4!x4+4!÷4!!=99.

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Raphael Kho

Lvl 2
2y ago

What else can I help you with?