3O加31加32加33加34加32乘95的简便运算=32x5+32x95=32x(5+95)=32x100=3200
3O加31加32加33加34加32乘95的简便运算3O加31加32加33加34加32乘95=30+31+32+33+34+32*95=(30+34)+(31+33)+32+32*95=32*(2+2+1+95)=32*100=3200
(200-8)x95(200-8)x(100-5)