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blogTitle:'计算机上m+、m-、mr、ms、+/-、mc分别是什么意思?',
blogAbstract:'计算器上m+、m-、mr、ms、+/-、mc分别是什么意思?如何使用?意思： －ms－存储显示栏中的数字 (显示左端出现m　)。&&&&&&&&&&& －mc－清除存储的数字　　 (存数变0，m消失)。&&&&&&&&&&& －mr－在显示栏中显示存储的数字。&&&&&&&&&&& －m+－将显示栏中的数字加到存储的数字。&&&&&&&&&&& －m-－ m-存储的数字减去显示栏中的数字。&&&&& （1）如: 300*3 + 50*2先按 300*3 再按 m+&&& &(....计算机会记忆住 900 的值)再按 50*2 再按 m+&&&& & (....计算机会记忆住 100 的值)最后按 MR 计算结果为1000',
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