题目内容
| 解方程或比例. 1+0.6x=9.5 | x-0.25=
|
| ||||||||||
| 1.25:0.25=x:2.4 |
|
(1)1+0.6x=9.5,
1+0.6x-1=9.5-1,
0.6x÷0.6=8.5÷0.6,
x=14
;
(2)x-0.25=
,
x-0.25+0.25=
+0.25,
x=0.75;
(3)
x+
x=66,
x=66,
x×
=66×
,
x=72;
(4)
=
,
54x=36×3,
54x÷54=108÷54,
x=2;
(5)1.25:0.25=x:2.4,
0.25x=1.25×2.4,
0.25x÷0.25=3÷0.25,
x=12;
(6)
:
=
:x
x=
×
,
x×
=
×
,
x=
.
1+0.6x-1=9.5-1,
0.6x÷0.6=8.5÷0.6,
x=14
| 1 |
| 6 |
(2)x-0.25=
| 1 |
| 2 |
x-0.25+0.25=
| 1 |
| 2 |
x=0.75;
(3)
| 3 |
| 4 |
| 1 |
| 6 |
| 11 |
| 12 |
| 11 |
| 12 |
| 12 |
| 11 |
| 12 |
| 11 |
x=72;
(4)
| 36 |
| x |
| 54 |
| 3 |
54x=36×3,
54x÷54=108÷54,
x=2;
(5)1.25:0.25=x:2.4,
0.25x=1.25×2.4,
0.25x÷0.25=3÷0.25,
x=12;
(6)
| 3 |
| 4 |
| 5 |
| 6 |
| 1 |
| 4 |
| 3 |
| 4 |
| 5 |
| 6 |
| 1 |
| 4 |
| 3 |
| 4 |
| 4 |
| 3 |
| 5 |
| 24 |
| 4 |
| 3 |
x=
| 5 |
| 18 |
练习册系列答案
相关题目