Ta có: \(10^2:\left[\left(15-2^3\right)\cdot3+\left(10-12\right):2\right]\)
\(=100:\left[45-24+5-6\right]\)
\(=100:\left(50-30\right)\)
\(=100:20=5\)
Ta có:
\(10^2:\left[\left(15-2^3\right).3+\left(10-12\right):2\right]\\ =100:\left(7.3-2:2\right)\\ =100:20\\ =5\)