"350除以70-5等于几"...350除以70-5等于几

　"350除以7除以55等于几"...350除以7除以55等于几

　"350除以70+70等于几"...350除以70+70等于几

　"350除以70等于多少"...350除以70等于多少

　"350除以7+40等于几"...350除以7+40等于几

　"350除以7+68等于几"...350除以7+68等于几

　"350除以576等于几"...350除以576等于几

　"350除以71等于几"...350除以71等于几

　"350除以54等于几"...350除以54等于几

　"350除以50等于多少"...350除以50等于多少