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19-09-2022
Mathematics

contestada

a) Work out the value of 23 +52
b) Work out the value of 72-33
c) Work out the value of 82 + √100

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jcherry99 jcherry99

19-09-2022

Answer:

Step-by-step explanation:

One

23 + 52 = 75 This can be done using columns

2 3

5 2 No carries Add.

7 5

Two

72 - 33 = 39

7 2

3 3 You have to borrow a ten from the 7 to make this work

3 9

Three

82 + sqrt(100)

sqrt(100) = 10

82 + 10 = 92

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