"31946除以5等于几"...31946除以5等于几

　"319-16除以5等于几"...319-16除以5等于几

　"319+16除以5等于几"...319+16除以5等于几

　"347+392除以5等于几"...347+392除以5等于几

　"3314除以5等于几"...3314除以5等于几

　"3915除以5等于几"...3915除以5等于几

　"374+94除以5等于几"...374+94除以5等于几

　"54+19除以3等于几"...54+19除以3等于几

　"3945除以5等于几"...3945除以5等于几

　"339除以5等于几"...339除以5等于几