1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64-1\/128的简便算法是什么
简便方法计算如下:1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64-1\/128 =1-(1-1\/128)=1-1+1\/128 =1\/128 原理及解决简便计算的方法:简便计算是一种特殊的计算,它运用了运算定律与数字的基本性质,从而使计算简便,使一个很复杂的式子变得很容易计算出得数。①乘法分配律 简便计算中最常用的方法...
1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64-1\/128的简便算法是什么?
原式=1--(1\/2+1\/4+1\/8+1\/16+1\/32+1\/64+1\/128+1\/128)+1\/128 =1--1+1\/128 =1\/128
1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64简便计算式是多少?
1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64简便计算如下:1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64 =1-(1\/2+1\/4+1\/8+1\/16+1\/32+1\/64)=1-(32\/64+16\/64+8\/64+4\/64+2\/64+1\/64)=1-63\/64 =1\/64
1-1\/2-1\/4-1\/8-1\/16.1\/128怎样简便计算
1-1\/2-1\/4-1\/8-1\/16-...-1\/128 =1\/2-1\/4-1\/8-1\/16-1\/32-1\/64-1\/128 =1\/4-1\/8-1\/16-1\/32-1\/64-1\/128 =1\/8-1\/16-1\/32-1\/64-1\/128 =1\/16-1\/32-1\/64-1\/128 =1\/32-1\/64-1\/128 =1\/64-1\/128 =1\/128 ...
1-2\/1-4\/1-8\/1-16\/1-32\/1-64\/1=?简便计算
楼主要求的是简便计算:原式=(1\/2+1\/4+1\/8)+(1\/16+1\/32+1\/64)=((4+2+1)\/8+(4+2+1)\/64 =8*(4+2+1)\/64+(4+2+1)\/64 =9*7\/64 =63\/64
用最简便的方法计算一减二分之一减四分之一减8分之一减16分之一减32分...
=1-1\/2-1\/4-1\/8-1\/16-1\/32 =1-(1\/2+1\/4+1\/8+1\/16+1\/32)=1-(3\/4+3\/16+1\/32)=1-(15\/16+1\/32)=1-31\/32 =1\/32
-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64-1\/128-1\/256怎么简算?
-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64-1\/128-1\/256 =-(255\/256)
1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/61简便运算
设t=1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64 则:2t=2-1-1\/2-1\/4-1\/8-1\/16-1\/32 原式=t=2t-t=(1-1\/2-1\/4-1\/8-1\/16-1\/32)-(1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64)=1\/64
1-2分之1-4分之1-8分之1-16分之1-32分之1-64分之1怎么简算
1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64 =1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64-1\/64+1\/64 =1-1+1\/64 =1\/64 关键就是先-1\/64再+1\/64
1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64简便计算
1-1\/2-1\/4-1\/8-1\/16-1\/32-1\/64 =1-(1\/2+1\/4+1\/8+1\/16+1\/32+1\/64)=1-(32\/64+16\/64+8\/64+4\/64+2\/64+1\/64)=1-63\/64 =1\/64