Toán Lớp 5: X x 115,5-X15,5=799 làm nhanh đang cần gấp
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 5: X x 115,5-X15,5=799 làm nhanh đang cần gấp
Comments ( 2 )
X x 115,5-Xx15,5=799
X x(115,5-15,5)=799
X x100=799
x =799:100
x=7,99
xin ctrlhn +5 sao
Giải đáp:
x×115,5-x×15,5=799
x×(115,5-15,5)=799
x×100=799
x=799:100
x=7,99
Vậy x=7,99