Parenthesis

Fill in the examples correctly brackets:

A) 7.9+12:3-2 =23
B) 7.9+12:3-2=75

Result

a =  23
b =  75

Solution:

a=(7 9+12)/32=23a=(7 \cdot \ 9+12)/3-2=23
b=7 9+12/(32)=75b=7 \cdot \ 9+12/(3-2)=75



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