200.5*10%+2.005*490+0.2005*5000 简便
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200.5*10%+2.005*490+0.2005*5000简便200.5*10%+2.005*490+0.2005*5000简便200.5*10%+2.005*490+0.2005*5000简便2
200.5*10%+2.005*490+0.2005*5000 简便
200.5*10%+2.005*490+0.2005*5000 简便
200.5*10%+2.005*490+0.2005*5000 简便
200.5*10%+2.005*490+0.2005*5000 =
200.5*0.1+2.005*490+0.2005*5000 =
20.05*1+20.05*49+0.20.05*50 =
20.05*(1+49+50) =
20.05*100 =
2005
3333*3333+9999*8889=
3333*3*(1111)+9999*8889=
9999*(1111)+9999*8889=
9999*(1111+8889)=
9999*(10000)=
99990000
200.5*10%+2.005*490+0.2005*5000 简便
200.5乘百分之10+2.005乘490+0.2005乘5000
200.5*0.1+2.005*490+0.2005*5000简便运算
1、1--二分之一*{1--三分之一*【1--四分之一*(1--五分之一)】} 2、200.5*10%+2.005*490+0.2005*5000
2005+200.5+20.5+2.005
2005+200.5+20.5+2.005 简算
2.005×390-20.05×41+200.5×2
几道数学题,要递等式(拖式计算)写出来(111+999)/〖56*(3/7-3/8)〗200.5%+2.005*490+0.2005*50003333*3333+9999*88891/1*4+1/4*7+1/7*10+……+1/97*100
简便计算:2.005×390+20.05×41+200.5×2
(14)计算:2.005×390+20.05×41+200.5×2
0.2005分之0.2005+2.005+20.05+200.5+2005简便!
1.345乘2005加0.28乘200.5加6.3乘20.05加92乘2.002加510乘0.2005加2421乘2.005用简便运算
200.5+9.9×2005简算
10x+2.5乘10x等于490列方程
借爸妈的各500元,买双鞋970元,自己留10元,还爸妈各10元,还欠爸妈各490元.490+490+10=990元,还有10元哪去了?
(2/2)妈490,490 490=980.加上自己的10块=990.还有10块去哪里了呢?
490÷35怎么用简便计算?首先悬赏10
200、5*10%+2、005*490+0、2005*5000