1.

If the digits 4 and 5 and digits 7 and 2 are interchanged then value of the expression 2x15/7-15+45-54/9

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ANSWER:

Hi mate, here's your answer

Step-by-step explanation:

=7*15/2-15+54-45/9

=7*7.5-15+54-5

=52.5-15+54-5

=52.5+39-5

=91.5-5

=86.5

Pls do mark my answer as the BRAINLIEST



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