\(a,56-36:\left(-9\right)+3.\left(-2\right)^2\)
\(=56+4+12=72\)
\(b,36-16\left[2\left(14-15\right)^{21}\right]+14\)
\(=36-12\left[2-\left(-1\right)^{21}\right]+14\)
\(=36-16\left(2+1\right)+14\)
\(=36-48+14=2\)
\(c,2\left(-3\right)^2-3\left(-2\right)^3.\left(-2\right)^3+8\)
\(=2.9-3.8.8+8=218\)
\(d,\left(-8\right)25\left(-2\right)4\left(-5\right)125=\left(-8\right)125\left(-2\right)\left(-5\right)25.4=-1000.10.100=-1000000\)
\(56-36:\left(-9\right)+3.\left(-2\right)^2\)
\(=56+4+3.4\)
\(=60+12=72\)
\(36-16.\left|2-\left(14-15\right)^{21}\right|+14\)
\(=36-16.\left(2+1\right)+14\)
\(=36-48+14=2\)
\(2.\left(-3\right)^2-3.\left(-2\right)^3.\left(-2\right)^3+8\)
\(=2.9-3.8.8+8\)
\(=18-192+8=-166\)
\(\left(-8\right).25.\left(-2\right).4.\left(-5\right).125\)
\(=\left[\left(-8\right).125\right].\left(25.4\right).\left[\left(-5\right).\left(-2\right)\right]\)
\(=\left(-1000\right).100.\left(-10\right)=1000000\)
