""" writen by shenjackyuanjie mail: 3695888@qq.com """ import libs A = [2.573, 3, ["m", "kg"], ["N", "s"]] B = [2.45, -7, ["N", "kg"], ["m", "s"]] C = [1.14, 5, ["m"], ["s"]] D = [1.419, -4, ["kg"], ["m"]] print("A = " , A) print("B = " , B) print("C = " , C) print("D = " , D) a = libs.P_C.S_N_M(A, B) b = libs.P_C.S_N_D(A, B) c = libs.P_C.S_N_M(b, B) d = libs.P_C.S_N_D(a, B) print("A × B = " , a) print("A ÷ B = " , b) print("A × B ÷ B = ", c) print("A ÷ B × B = ", d) e = libs.P_C.S_N_M(A, B, C, D) f = libs.P_C.S_N_M(A,libs.P_C.S_N_M(B,libs.P_C.S_N_M(C, D))) print("A * B * C * D = " , e) print("A * B * C * D = " , f) G = libs.render_thread