Thực hiện tính: \( 17,36+42,52 = ?\) 

A. Tính chất giao hoán

B. Tính chất kết hợp

C. Tính chất cộng với \(0\)

D. Cả A, B, C đều đúng

A. $\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{1\,8\,,\,2\,5\,3}\\{\,\,\,\,\,\,\,\,\,\,\,\,\,7,7}\end{array}}\\\hline{}\end{array}$           

B. $\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{\,\,\, 1\,\,8\,,\,2\,5\,3}\\{7,7\,\,\,\,\,\,\,\,\,}\end{array}}\\\hline{}\end{array}$

C. $\begin{array}{*{20}{c}}{ + \,\,\begin{array}{*{20}{c}}{1\,\,8\,,\,2\,5\,3}\\{\,\,\,7,7\,\,\,\,\,\,\,}\end{array}}\\\hline{}\end{array}$

D. $\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{1\,8\,,\,2\,5\,3}\\{\,\,\,\,\,\,\, 7,7}\end{array}}\\\hline{}\end{array}$

A. \(44,39\)

B. \(55,46\)

C. \(60,23\)

D. \(107,93\)

A. \(x = 52,98\)

B. \(x = 84,3\)

C. \(x = 8,43\)

D. \(x = 12,48\)