3.04的一半是多少？14.6的十分之八是多少？4U-Q;^/e4S;?:d1n0N9s(s8c3s(M4L;q
算式：提示.m3l*A7m1F)A4q:K4g1m7\0D'l4U-Q;^/e4S;?:d1n0N9s(s8c3s(M4L;q
算式：提示'G*c4E;S2F4U-Q;^/e4S;?:d1n0N9s(s8c3s(M4L;q