Question

$((25 \times 7 - {13}^{2} ) \times 12 - {8}^{2} ) \times {2}^{17} - {4}^{10} =$
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Answer 1

[(25*7-13*13)*12-8*8]*$2^{17}$-$4^{10}$=[(175-169)*12-64]*$2^{17}$-$4^{10}$=(6*12-64)*$2^{17}$-$4^{10}$=

=(72-64)*$2^{17}$-$4^{10}$=8*$2^{17}$-$4^{10}$=$2^{3}$*$2^{17}$-$4^{10}$=$2^{20}-(2^{2})^{10}$=$2^{20}-2^{20}$=0