1.25x10.8-1.25x1.8-1.25,用简便算法怎么做写出过程?
解:1.25x10.8-1.25x1.8-1.25等于( 10 )∵已知需求出1.25x10.8-1.25x1.8-1.25等于多少 X × Y - X × Z = X × (Y - Z )∴1.25 x 10.8 - 1.25 x 1.8 - 1.25 = 1.25 × (10.8 - 1.8 - 1)= (1×100+25)\/100 × (9 - 1)= 125\/100...
1.25×10.8-1.25×1.8-1.25的简便方法?
=1.25x10.8-1.25x1.8-1.25x1 =1.25x(10.8-1.8-1) =1.25x8 =10
1.25乘以十点八怎样简便计算
1.25x(10+0.8)。1.25乘以10.8简便计算如下:1.25x10.8=1.25x(10+0.8)=1.25x10+1.25x0.8=12.5+1=13.5
1.25乘10.8的简便方法
=1.25x(10+0.8)=1.25x10+1.25x0.8 =12.5+1 =13.5
1.25乘以10.8简单的做法
1.25x10.8 =125\/100x(10+0.8)=125x10\/100+125x0.8\/100 =12.5+1 =13.5
1.25*10.8用简便方法计算
=1.25X(10+0.8)=1.25X10+1.25X0.8 =12.5+1 =13.5
10.8×1.25怎么算简便
10.8×1.25 =(10+0.8)×1.25 =10×1.25+0.8×1.25 =12.5+1 =13.5
(10.8-0.08)×1.25简便运算
考查的是 常用的百、千算法 25*4=100 125*8=1000 方法如下:(10.8-0.08)*1.25 =(10+0.8)*1.25-1.25*0.08 =12.5+1-0.1 =12.5+0.9 =13.4
1.25÷10.8用简便运算怎么写?
1.25÷10.8=0.12 ~回答完毕~~\\(^o^)\/~祝学习进步~~~
0.125x10.8-12.5x0.008简便方法?
=0.125×10.8-0.125×0.8 =0.125×(10.8-0.8)=0.125×10=1.25