题目内容
1.7×0.86=
[ ]
|
A.1462 |
B.1.462 |
| C.1.362 | D. 14.62 |
答案:B
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解方程.
7.2x+3x=6.12
x=
[ ]
|
A.0.6 |
B.20 |
|
C.0.4 |
D.0.86 |
题目内容
1.7×0.86=
[ ]
|
A.1462 |
B.1.462 |
| C.1.362 | D. 14.62 |
解方程.
7.2x+3x=6.12
x=
[ ]
|
A.0.6 |
B.20 |
|
C.0.4 |
D.0.86 |