(数学)化简比,要写出化简得过程.
(数学)化简比,要写出化简得过程.
(数学)化简比,要写出化简得过程.
(数学)化简比,要写出化简得过程.
=(5/45×45):(3/9×45)
=5:15
=(5÷5):(15÷5)
=1:3
5/45:3/9=1/9:1/3=3:9=1:3
=5/45:3/9
=1/9:1/9
=1:1
解=5/45:3/9
=1/9:1/9
=1:1
题在哪
(数学)化简比,要写出化简得过程.
(数学)化简比,要写出化简得过程.
(数学)化简比,要写出化简得过程.
=(5/45×45):(3/9×45)
=5:15
=(5÷5):(15÷5)
=1:3
5/45:3/9=1/9:1/3=3:9=1:3
=5/45:3/9
=1/9:1/9
=1:1
解=5/45:3/9
=1/9:1/9
=1:1
题在哪