Answer :

**(a)** From the above given expression it is clear that:

Firstly,

Addition, as 1 is added to z

Then,

Subtraction, as 1 is subtracted from z

Then,

Addition, as 17 is added to y

At last,

Subtraction, as 17 is subtracted from y

**(b)** From the above-given expression, it is clear that:

Firstly,

Multiplication, as y is multiplied with 17

Then,

Division, as y is divided by 17

Then,

Multiplication as z is multiplied with 5

**(c) **From the above-given expression, it is clear that:

Firstly,

There is multiplication and addition as:

y is multiplied with 2 and 17 is added to the result

Then,

There are multiplication and subtraction as:

y is multiplied with 2 and 17 is subtracted from the result

**(d)** From the above-given expression, it is clear that:

Firstly,

Multiplication, as m is multiplied with 7

Then,

There are multiplication and addition as m is multiplied with -7 and 3 is added to the result

At last,

There are multiplication and subtraction as:

m is multiplied with -7 and 3 is subtracted from the result

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