你知道四则混合运算指的是哪四则简介：Brothers, please watch me carefully before shooting. We have limited ammunition. You must guarantee that you will kill one Japanese with one shot. If you kill one, you will get enough. If you kill two, you will earn one.
Brothers, please watch me carefully before shooting. We have limited ammunition. You must guarantee that you will kill one Japanese with one shot. If you kill one, you will get enough. If you kill two, you will earn one.
