题目内容
解方程:5.5x+
=2
.
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5.5x+
=2
,
5.5x+
-
=2
-
,
5.5x÷5.5=1
÷5.5
x=
.
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| 6 |
| 2 |
| 3 |
5.5x+
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| 5 |
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| 2 |
| 3 |
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5.5x÷5.5=1
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x=
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