3 years ago

9×9+9-9

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Mathematics

2 answers:

natulia [17]3 years ago

5 0

Step-by-step explanation:

81 + 9 - 9

= 81

81 tan(45)

= 81

IceJOKER [234]3 years ago

3 0

Answer: 81

Step-by-step explanation:

tan(45)=1

9*9+9-9

=81-0

=81tan45

=81

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