题目内容
7.5
+2.8x=18.7 x=[
]
A .3 |
B .2 |
C .4 |
D .2.5 |
答案:C
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7.5
+2.8x=18.7 x=_____[
]
A .3 |
B .2 |
C .4 |
D .2.5 |
题目内容
7.5
+2.8x=18.7 x=[
]
A .3 |
B .2 |
C .4 |
D .2.5 |
7.5
+2.8x=18.7 x=_____[
]
A .3 |
B .2 |
C .4 |
D .2.5 |