wanyenin - 2013/1/22 18:34:00
本人小白,求助各位大侠。数据修约成5的倍数咋修约啊,比如152.5修约成5的倍数是多少啊BÙóÐG¢bbs.3c3t.comùz !HÁ b»
zhyby - 2013/1/23 10:07:00
150。BÙóÐG¢bbs.3c3t.comùz !HÁ b»
281080906 - 2013/1/23 13:58:00
155。BÙóÐG¢bbs.3c3t.comùz !HÁ b»
zhyby - 2013/1/23 14:23:00
155是错的,什么时候有时间,我把数字修约的一些规则发篇贴吧。BÙóÐG¢bbs.3c3t.comùz !HÁ b»
zhyby - 2013/1/23 14:26:00
先除5,再修约,然后乘5,,钢筋是利用这个修约方法BÙóÐG¢bbs.3c3t.comùz !HÁ b»
zhyby - 2013/1/23 14:41:00
152.5→30。5→30→150BÙóÐG¢bbs.3c3t.comùz !HÁ b»
lcm0312 - 2013/2/25 12:02:00
152.5*2=305.0→修至300→至150。BÙóÐG¢bbs.3c3t.comùz !HÁ b»
6楼是正确的,但没有写好。BÙóÐG¢bbs.3c3t.comùz !HÁ b»