3.2/0,.75+3.3/0.75+1/0.75简便算法

3.2/0,.75+3.3/0.75+1/0.75简便算法 3.2除以0.75加3.3除以0.75加1除以0.75 简便方法 75.4×0.75＋21.30x0.75+3.3x0.75脱式运算 1-75%X=0.75 求x? matlab求10阶线性方程出现Warning:Matrix is singular to working precision.怎么破?clear;A=[1.75,0.75,-1,0,0,0,0,0,-0.75,-0.75;0.75,0.75,0,0,0,0,0,0,-0.75,-0.75;-1,0,1.75,-0.75,-1,0,-0.75,-0.75,-0.75,0.75;0,0,-0.75,0.75,0,0,-0.75,-0.75,0.75,-0 0.75×3.2-2.5×0.72 简算:3/4×3/4+1/4×0.75%-75% 简算题一道(0.75×3.24+1.67×75%)÷0.75×900×(1-80%)÷3/4 (1-30%x)×0.5=0.35 [0.5—（0.75－0.6）]÷0.7 0.75+×+75%× 求1、2、3、4、5的标准差还有3、3.4、3.1、3.3、3.2的方差 1道简算题75%乘以1.375+5.625乘以75%+0.75 求教 75％×8分之1＋8分之7×75％＋0.75 0.75×3.125+5.875×75%+0.75 要简算 0.75*5.125+5.875*75%+0.75简算 简便计算4.25×0.75+75%+4.75+0.75 1个数的25%比3.6的75%多3.3,这数是几快 因为0.75=75%,所以0.75kg=75%kg.( ) 比较下列各题中两个数的大小：(1)3^0.8,3^0.7(2)0.75^-0.1,0.75^0.1(3)1.01^2.7,1.01^3.5(4)0.99^3.3,0.99(4)0.99^3.3,0.99^4.5