"268+342等于几"...268+342等于几

　"3298+268等于几"...3298+268等于几

　"268+732等于几"...268+732等于几

　"246+886等于几"...246+886等于几

　"268+132等于几"...268+132等于几

　"2876+3562+3438等于几"...2876+3562+3438等于几

　"268+374等于几"...268+374等于几

　"268+124等于几"...268+124等于几

　"268-124等于几"...268-124等于几

　"2468等于多少"...2468等于多少