题目内容
| 解方程. 1.05÷x=0.7 |
| 0.47x=7.05. |
(1)1.05÷x=0.7,
1.05÷x×x=0.7x,
0.7x=1.05,
0.7x÷0.7=1.05÷0.7,
x=1.5;
(2)
-x=
,
-x+x=
+x,
+x=
,
+x-
=
-
,
x=
;
(3)0.47x=7.05,
0.47x÷0.47=7.05÷0.47,
x=15.
1.05÷x×x=0.7x,
0.7x=1.05,
0.7x÷0.7=1.05÷0.7,
x=1.5;
(2)
| 5 |
| 7 |
| 1 |
| 5 |
| 5 |
| 7 |
| 1 |
| 5 |
| 1 |
| 5 |
| 5 |
| 7 |
| 1 |
| 5 |
| 1 |
| 5 |
| 5 |
| 7 |
| 1 |
| 5 |
x=
| 18 |
| 35 |
(3)0.47x=7.05,
0.47x÷0.47=7.05÷0.47,
x=15.
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