3/4×0.1

3/4×0.1 (2-0.1*3)+(4-0.1*5)+(6-0.1*7)+(8-0.1*9)+(10-0.1*11)+(12-0.1*13)=?请给个简便的方法, (4/3除以3-0.1）除以（1+3/2() -3/4(-m-n)^6+0.1[-(m+n)^2]^3 0.2分之x-3-0.1分之x+4=5 4分之一/0.1等于多少?0.5/0.8+8分之3? 4x-1.5/0.5=1.2-x/0.1+3 （-0.1）^3-1/4x(2/5)^2 2x+2.4*3=(2+0.1x)*4 (-4)×(-2.5)×0.1×(-7)×(-5分之3)= 2/3,0.1,2/9,4,能否组成比例 x-3/0.2-x+4/0.1=5 文字表达：0.2 分之x-3-0.1分之x+4=5 解方程组 3(x-0.1)+2(y+0.2)=4① 2(x-0.1)+3(y+0.2)② (-2*5)的3次方-(-1又7/9)*(-3/4)的平方-(-1/0.1)*(-0.1)的平方= ()÷4分之3=()+4分之3=0.8:0.1=12:()=():0.125 (4-0.2)/1.9+0.1 (1+0.1)+(2+0.1*2)+(3+0.1*3)+...+(99+0.1*99)+(100+0.1*100)等于几? (1+0.1)+(2+0.1*2)+(3+0.1*3)+...+(99+0.1*99)+(100+0.1*100)