$(1)$

$(1)A+BD,-r_{1A}={10}^9$exp$(-10,000\frac{K}{T})C_A{C}_B$

$(2)DA+B,-r_{2D}=20$exp$(-2,000\frac{K}{T})C_D$

$(3)A+BU,-r_{3A}={10}^3$exp$(-3,000\frac{K}{T})C_A{C}_B$