问题
解答题
2x+2.1=24.7
|
答案
(1)2x+2.1=24.7,
2x+2.1-2.1=24.7-2.1,
2x=22.6,
2x÷2=22.6÷2,
x=11.3;
(2)
:2 3
=x:5 6
,3 4
x=5 6
×2 3
,3 4
x÷5 6
=5 6
×2 3
÷3 4
,5 6
x=
×1 2
,6 5
x=
.3 5
2x+2.1=24.7
|
(1)2x+2.1=24.7,
2x+2.1-2.1=24.7-2.1,
2x=22.6,
2x÷2=22.6÷2,
x=11.3;
(2)
:2 3
=x:5 6
,3 4
x=5 6
×2 3
,3 4
x÷5 6
=5 6
×2 3
÷3 4
,5 6
x=
×1 2
,6 5
x=
.3 5