carolinasoto
02.07.2019 •
Mathematics
Simplify the expression 8^2 +9(12÷3*2) - 7 explain each of your steps.
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Ответ:
8^2+9(12/3*2)-7
do parenthesis first ( from left to right)
8^2 +9(8)-7
do the ^2 and the multiplication next
64 +72 -7
do addition then subtraction
136-7 = 129
Ответ: