(1)1720??? (2)-13(-21)?? (3)-15-19?? (4)-31-(-16)??(5)-11×12 (6)(-27)(-13) (7)-64÷16??? (8)(-54)÷(-24)(9)(-)3 (10)-()2(11)-(-1)100 (12)-2×32 (13)-(2×3)2 (14)(-2)332