问题
解答题
|
答案
x-4=604 5
x-4+4=60+44 5
x=644 5
x÷4 5
=64÷4 5 4 5
x=80
(2)
x-1 2
x=3 8 1 4
x=1 8 1 4
x÷1 8
=1 8
÷1 4 1 8
x=2.
|
x-4=604 5
x-4+4=60+44 5
x=644 5
x÷4 5
=64÷4 5 4 5
x=80
(2)
x-1 2
x=3 8 1 4
x=1 8 1 4
x÷1 8
=1 8
÷1 4 1 8
x=2.