III. Solve the number sentence then write the letter of the correct answer in the box. 를 d. b. . C, 10 10 12. = . b. d. c 35 13. 12+6= 0. 2 b.23 c. 121 d.20 1 1 6 1 = 14. a. 43 b. 4 c. 3 14 d. 5 32​