题目内容
38×0.45=
[ ]
|
A.171 |
B.17.1 |
C.16.1 | D.1.71 |
答案:B
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计算,能用简便算法的用简便算法.
0.45
×6.2+38×0.045=[
]|
A .1.2 |
B .2.6 |
|
C .4.5 |
D .2.3 |
题目内容
38×0.45=
[ ]
|
A.171 |
B.17.1 |
C.16.1 | D.1.71 |
计算,能用简便算法的用简便算法.
0.45
×6.2+38×0.045=[
]|
A .1.2 |
B .2.6 |
|
C .4.5 |
D .2.3 |