题目内容
用简便方法计算.
9.85
×99+98.5×0.1=
答案:985
解析:
解析:
|
9.85×99+98.5×0.1 =98.5×9.9+98.5×0.1 =98.5×(9.9+0.1) =98.5×10 =985
|
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题目内容
用简便方法计算.
9.85
×99+98.5×0.1=|
9.85×99+98.5×0.1 =98.5×9.9+98.5×0.1 =98.5×(9.9+0.1) =98.5×10 =985
|