题目内容
【题目】用简便方法计算．
9.85×99＋98.5×0.1
【答案】985
【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
【题目】用简便方法计算．
9.85×99＋98.5×0.1
【答案】985
【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