iamnee
13.06.2020 •
Mathematics
3 + (5 + 7)
Use the commutative property of operations to reverse the numbers in the expression.
a) (3 + 5) + 7
b) 3 + (7 + 5)
c) 7 + (3 + 5)
Use the associative property of operations to change the grouping after reversing the numbers in the expression.
a) (3 + 7) + 5
b) 3 + (5 + 7)
c) 5 + (7 + 3)
Evaluate the expression.
a) 10
b) 12
c) 15
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