12.5乘以(8加0.4)加2.5除以0.1

12.5x(8+0.4)+2.5➗0.1=简便方法
12.5x（8+0.4）+2.5➗0.1 =12.5×8+12.5×0.4+2.5×10 =100+5+25 =130

12.5×(8+0.4)+25÷0.1递等式
12.5×(8+0.4)+25÷0.1 =12.5x8+12.5x0.4+250 =100+10+250 =360 希望能帮到你！

12.5×10.1+2.5x0.1怎么简便运算?
解题过程:12.5×10.1+2.5×0.1 =126.25+2.5×0.1 =126.25+0.25 =126.5

(8+0.1)×12.5列式计算
(8+0.1)×12.5 =8×12.5+0.1×12.5 =100+12.5 =112.5

十二点5×括号8+80简便运算
8+80) 125*(8+80) =1000+10000 =11000 一十二点五除以括号五零除以八怎么简便运算 12.5÷（50÷8） =12.5×8÷50 =100÷50 =2 5.24加十二点6-3点二四简便运算 5.24加十二点6-3点二四简便运算 =5.24+12.6-3.24 =5.24-3.24+12.6 =2+12.6 =14.6 ...

用简便方法计算下面的题:12.5✘8.7,2.5✘4.4-2.5✘0.4,5.24+5.2...
解，12.5x8.7 =12.5x(8+0.8-0.1)=12.5x8+12.5x0.8-12.5x0.1 =100+10-1.25 =108.75 2.5x4.4-2.5x0.4 =2.5x(4.4-0.4)=2.5x4 =10 5.24+5.24x99 =5.24x(1+99)=5.24x100 =524

括号(12.5+0.25)x(0.08+0.4),怎样简便计算?
脱式计算(12.5+0.25)×(0.08+0.4)解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行 解题过程:(12.5+0.25)×(0.08+0.4)=12.75×0.48 =6.12 ...

12.5×0.88简便计算结果等于几?
12.5×0.88简便计算结果等于11。解：12.5×0.88 =(2.5x5)x(0.8+0.08)=2.5x5x0.8+2.5x5x0.08 =2.5x5x4x0.2+2.5x5x4x0.02 =(2.5x4)x(5x0.2)+(2.5x4)x(5x0.02)=10x1+10x0.1 =10+1 =11 即12.5×0.88等于11。

12.5乘以9.6,用三种不同的算法算
第一个规律是除以0.5 比如： 12.5除以5=2.5 2.5除以5=0.5 0.5除以5=0.1 0.1除以5等于0.02 0.02除以5等于0.004 第二个同上，除以0.4.。。天，看完才知道是小学5年纪的。。。——！本人高3数学课代表

12.5乘0.4乘2.5简便方法怎么做
12.5乘0.4乘2.5 =12×（0.4×2.5）=12×1 =12