At Is It Let us take a couple of examples on multiple operations with nested parentheses to
work on
1)
4 [6 - 1 x (12 - 7) + 12 = 6 x 2] = 20
Expression
Guide
4 [6 - 1 x (12 - 7) + 12 = 6 x 2]
Operate the numbers inside the innermost
parentheses first - that is, subtract 7 from
12 to get the difference of 5.
Of those inside the brackets, apply Rule 2
by multiplying 1 by 5 to produce 5.
= 4 [6 - 1 x 5 + 12 = 6 x 2]
Divide 12 by 6 to derive a quotient of 2.
= 4 [6 - 5 + 12 = 6 x 2]
Multiply 2 by 2 to produce 4.
= 4 [6 - 5 + 2 x 2]
=
= 4 [6 - 5 +4]
Applying Rule 3, subtract 5 from 6 to get
1.
Then add the quantity of 1 and 4 inside the
bracket for the sum of 5.
Lastly, multiply 4 by 5.
= 4 x [1 + 4]
= 4 x 5
The resulting product is 20.
= 20
work on
1)
4 [6 - 1 x (12 - 7) + 12 = 6 x 2] = 20
Expression
Guide
4 [6 - 1 x (12 - 7) + 12 = 6 x 2]
Operate the numbers inside the innermost
parentheses first - that is, subtract 7 from
12 to get the difference of 5.
Of those inside the brackets, apply Rule 2
by multiplying 1 by 5 to produce 5.
= 4 [6 - 1 x 5 + 12 = 6 x 2]
Divide 12 by 6 to derive a quotient of 2.
= 4 [6 - 5 + 12 = 6 x 2]
Multiply 2 by 2 to produce 4.
= 4 [6 - 5 + 2 x 2]
=
= 4 [6 - 5 +4]
Applying Rule 3, subtract 5 from 6 to get
1.
Then add the quantity of 1 and 4 inside the
bracket for the sum of 5.
Lastly, multiply 4 by 5.
= 4 x [1 + 4]
= 4 x 5
The resulting product is 20.
= 20
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