98.35*0.6+0.4*98.35=98.35*（0.6+0.4）=98.35*1=98.35
原式=9.835*6+4*9.835=9.835*10=98.35
=98.35x0.6+0.4x98.35=98.35x(0.6+0.4)=98.35x1=98.35
98.35×0.6+9.835×4=9.835×6+9.835×4=9.835×（6+4）=9.835×10=98.35
