问题
解答题
解方程.
x÷5=
|
答案
(1)
x=3 5 2 5
x÷3 5
=3 5
÷2 5 3 5
x=2 3
(2)x÷5=1 3
x÷5×5=
×51 3
x=5 3
(3)
x=7 8 6 7
x÷7 8
=7 8
÷6 7 7 8
x=
.48 49
解方程.
x÷5=
|
(1)
x=3 5 2 5
x÷3 5
=3 5
÷2 5 3 5
x=2 3
(2)x÷5=1 3
x÷5×5=
×51 3
x=5 3
(3)
x=7 8 6 7
x÷7 8
=7 8
÷6 7 7 8
x=
.48 49