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数学分数简便运算
267+567*234 *代表乘 0.62/(0.25*0.062)
—————— /代表除
567*235-300
人气:449 ℃ 时间:2020-03-21 19:29:07
解答
267+567*234
——————
567*235-300
=(567-300+567*234 )/(567*235-300 )
=(567*235-300 )/(567*235-300 )
=1
0.62/(0.25*0.062)=0.62/0.062/0.25=10*4=40
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