"546+273等于几"...546+273等于几

　"5638-2934等于几"...5638-2934等于几

　"4276-3582等于几"...4276-3582等于几

　"4386+5237+2705等于几"...4386+5237+2705等于几

　"3478+5796等于几"...3478+5796等于几

　"546+278等于几"...546+278等于几

　"3421+6775等于几"...3421+6775等于几

　"574+3824等于几"...574+3824等于几

　"546+217等于几"...546+217等于几

　"567+344等于几"...567+344等于几