问SAT2010,1月的一道数学题?when printing a line of text ,a printer begins 1 inch from the left edge of the paper and ends 5/4 inches from the right edge.if the paper is 17/2 inches wide ,how many inches can be used for printing each line?答
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问SAT2010,1月的一道数学题?when printing a line of text ,a printer begins 1 inch from the left edge of the paper and ends 5/4 inches from the right edge.if the paper is 17/2 inches wide ,how many inches can be used for printing each line?答
问SAT2010,1月的一道数学题?
when printing a line of text ,a printer begins 1 inch from the left edge of the paper and ends 5/4 inches from the right edge.if the paper is 17/2 inches wide ,how many inches can be used for printing each line?答案是25/4
问SAT2010,1月的一道数学题?when printing a line of text ,a printer begins 1 inch from the left edge of the paper and ends 5/4 inches from the right edge.if the paper is 17/2 inches wide ,how many inches can be used for printing each line?答
翻译一下就是一个打印机从左边1英尺的地方开始打印,打到右边5/4英尺的地方为止,纸张宽度是17/2英尺,问打印的有多长.
就是17/2-1-5/4=25/4英尺