题目内容
解方程
x
+15.7=31.91x=
[ ]
|
A .8.5 |
B .16.2 |
|
C .4.5 |
D .11.15 |
答案:B
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解方程
x+15.7=31.91
x=
[ ]
|
A.8.5 |
B.16.2 |
|
C.4.5 |
D.11.15 |
解方程.
x+15.7=43.2
x=
[ ]
|
A.0.9 |
B.27.5 |
|
C.0.05 |
D.2.3 |
解方程
.x+15.7=43.2
x=
[
]|
A .0.9 |
B .27.5 |
|
C .0.05 |
D .2.3 |