"394+5477等于几"...394+5477等于几

　"3478+5796等于几"...3478+5796等于几

　"3996+7104等于几"...3996+7104等于几

　"3678+4739等于多少"...3678+4739等于多少

　"467+333等于几"...467+333等于几

　"7539+3924等于几"...7539+3924等于几

　"397+493等于几"...397+493等于几

　"393+497等于多少"...393+497等于多少

　"3478+5796等于"...3478+5796等于

　"547-339等于几"...547-339等于几