能简便的用简便计算.
798+10570÷35 9.81×0.1+0.5×98.1+0.049×981
(1﹣×)÷(+) ++…++
2008×20092009﹣2009×20082008 2÷[5﹣4.5×(20%+)]
能简便的用简便计算.
798+10570÷35 9.81×0.1+0.5×98.1+0.049×981
(1﹣×)÷(+) ++…++
2008×20092009﹣2009×20082008 2÷[5﹣4.5×(20%+)]
试题篮
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