58/59×60怎样简便
问题描述:
58/59×60怎样简便
答
他们的答案对的
答
58/59×60
=58/59×(59+1)
=(58/59)×59+58/59
=58又58/59
答
58/59×60
=58/59×(59+1)
=58/59×59+58/59
=58+58/59
=58又58/59