题目内容
求未知数x.
(1)
:x=3:
(2)
x÷
=48.
(1)
3 |
4 |
2 |
3 |
(2)
1 |
6 |
1 |
3 |
(1)
:x=3:
,
3x=
×
,
3x÷3=
÷3,
x=
;
(2)
x÷
=48,
x÷
×
=48×
,
x=16,
x÷
=16÷
,
x=96.
3 |
4 |
2 |
3 |
3x=
3 |
4 |
2 |
3 |
3x÷3=
1 |
2 |
x=
1 |
6 |
(2)
1 |
6 |
1 |
3 |
1 |
6 |
1 |
3 |
1 |
3 |
1 |
3 |
1 |
6 |
1 |
6 |
1 |
6 |
1 |
6 |
x=96.
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