Second volume of the people's education press mathematics fraction exercise 16 Questions 11, 12, 13, 14,
eleven
a÷m÷10÷a÷(m-3)
twelve
m÷a-m÷(a+3)
thirteen
n÷t-n÷(t-0.5)
fourteen
m÷[m÷n+m÷n-(0.5)]
eleven
a÷m÷10÷a÷(m-3)
twelve
m÷a-m÷(a+3)
thirteen
n÷t-n÷(t-0.5)
fourteen
m÷[m÷n+m÷n-(0.5)]