早教吧作业答案频道 -->数学-->
2010*0.015+13.5*6.7+2.01*40求简算
题目详情
2010*0.015+13.5*6.7+2.01*40 求简算
▼优质解答
答案和解析
原式=2.01*15+135*0.67+2.01*40
=2.01*55+135*0.67
=2.01*55+45*3*0.67
=2.01*55+2.01*45
=2.01*100=201
=2.01*55+135*0.67
=2.01*55+45*3*0.67
=2.01*55+2.01*45
=2.01*100=201
看了 2010*0.015+13....的网友还看了以下：
数学建模的lingo软件怎么用LINGO软件编程：MIN=X1+X2+X3+X4+X5;X1*(2 2020-05-16 …
matlab rotate程序求大神修改t=0:pi/1000:3.5*pi;k=fix(2*t/ 2020-05-17 …
请问错在哪里,应如何改正>>v=0.7:1.2;>>h=0.1:0.5;>>[h,v]=meshg 2020-06-11 …
脱式计算．（能简算的要简算）（1）0.08×720×1.25（2）5.25×8.2+5.25×0. 2020-07-09 …
用公式法接下列方程(1)x^2-5X=6(2)3X^2-11X-4=0(3)3x^2+10x+3=0 2020-10-31 …
1）5.4÷2.6×（3.7-2.9）+0.62=2）5.8×(3-0.15)+4×3.743）30 2020-10-31 …
{x/2+y/3=13/2,x/2-y/4=3/2{(0.2x-0.1)/0.5+(0.3y-0.2 2020-10-31 …
直接写出得数7.98+0.3=5-2.6=1.4×0.5=3.2÷0.16=1÷0.25=0.7×0 2020-11-19 …
直接写出得数．0.5×4÷0.5×4=4.2-4.2×0.5=1.2÷4×1.2÷4=6.3+6.3 2020-11-19 …
我是口算小能手130×5=2+0.85=0.6×0.5=2.6×0.3=4×0.5=3.08×4=3 2020-12-08 …