问题
解答题
|
答案
(1)
x-1 2
x=1 3
,1 12
x=1 6
,1 12
x÷1 6
=1 6
÷1 12
,1 6
x=
;1 2
(2)1.2:x=0.75:3,
0.75x=1.2×3,
0.75x=3.6,
0.75x÷0.75=3.6÷0.75,
x=4.8.
|
(1)
x-1 2
x=1 3
,1 12
x=1 6
,1 12
x÷1 6
=1 6
÷1 12
,1 6
x=
;1 2
(2)1.2:x=0.75:3,
0.75x=1.2×3,
0.75x=3.6,
0.75x÷0.75=3.6÷0.75,
x=4.8.