12(1/2)与4.5的积减去(1/10与0.15的和,所得的差除以1(2/5),结果是多少?6a3B1j/h:Z)U(x6m5p1~9f;]
算式:提示(H8T1}1Q7m4x7^6K6a3B1j/h:Z)U(x6m5p1~9f;]
答:结果是,O.^:j/k-~+\/\。6a3B1j/h:Z)U(x6m5p1~9f;]