\(a,=2^2\cdot2^3-3^1+5^4:5^2=2^5-3+5^2=32-3+25=54\\ b,=1736-5\cdot32+6\cdot7^2=1736-160+294=1870\)
\(c,=17\cdot\left(56+44\right)-64\cdot5+6\cdot7=17\cdot100-320+42\\ =1700-320+42=1422\)
\(d,=3\cdot100-\left[1200-\left(16-6\right)^3\right]=300-\left(1200-10^3\right)\\ =300-200=100\)