Toán Lớp 6: 27/23-(-5)/21-4/23+16/21+1/2
17/18.24/25.10/51
8/9+1/9.2/9+1/9.7/9
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 6: 27/23-(-5)/21-4/23+16/21+1/2
17/18.24/25.10/51
8/9+1/9.2/9+1/9.7/9
Comments ( 2 )
=27/23+5/21+-4/23+16/21+1/2
=(27/23+4/23)+(5/21+16/21)+1/2
=1+1+1/2
=5/2
=(17/18. 10/51). 24/25
=5/27. 24/25
=8/45
=8/9+1/9.(2/9+7/9)
=8/9+1/9. 1
=8/9+1/9
=9/9=1