12.5×9.7-12.5×8.7 0.125×0.25×8×4 2.73×99 7.6+7.6×12.5×9.7-12.5×8.70.125×0.25×8×42.73×997.6+7.6×9用简便计算

简便计算.12.5×8.7 12.5×8.8 0.简便计算.12.5×8.7 12.5×8.80.32×32×1.25 0.25×4.812×2.5 12.5×9.7-12.5×8.7 0.125×0.25×8×4 2.73×99 7.6+7.6×12.5×9.7-12.5×8.70.125×0.25×8×42.73×997.6+7.6×9用简便计算 12.5×9.7-1.25×87简便计算 简便计算 12.5乘32 1.3-3.79+9.7-6.21 简算:12.5*12.5+12.5*6.75 function在MATLAB中怎么用function f=yuandu_mzc(x)r=[2.8,0,-3.4,-4.7,-4.1,-6.0,-7.8,-8.4,-11.2,-11.9,-13.8,-14.4,-13.8,-16.4,-14.5,-14.8-16.0,-14.5,-14.8,-16.0,-14.5,-16.0,-16.0,-15.7,-14.8,-15.1,-12.5,-13.4,-9.4,-10.1,-8.8,-9.7,-8.7,-8.7,-6.7,-4. 已知俩个数相加,其中一个家数是-12.5,和是-9.7,求另一个加数 已知一个加数是-12.5,和是-9.7,求另一个加数. 0.87×101 简便运算是12.5×4.7×0. 简便计算12.5*1.2*80*0.07 2.05*（0.8-0. 解方程 X×8=9.5 8.7＋X=12.5 12.5x79+12.5x2-12.5简便算法 12.5*79+12.5*2-12.5等于 8.88*12.5. 25×12.5 12.5.1 9.9+10+9.1+9.7+8.9+9.7+8.3+9.7+8.7+9.7等于 8.7.9.7.10.7算方差是多少?