{l}{A=1/2h{(b_{1}+b_{2})}}{a=b_{2}}{b=a}{c=b}{text{Solvefor}dtext{where}}{d=c} を解きます| Microsoft 数学ソルバー

$$\left. \begin{array} { l } { A = \frac{1}{2} h {(b_{1} + b_{2})} }\\ { a = b_{2} }\\ { b = a }\\ { c = b }\\ { \text{Solve for } d \text{ where} } \\ { d = c } \end{array} \right.$$

A,h,b_1,b_2,a,b,c,d を解く

$$d=b_{2}$$