[151.16*0.25+38.42/2)*0.5-1.63-2.37]/0.25

问题描述:

[151.16*0.25+38.42/2)*0.5-1.63-2.37]/0.25
简算

[(151.16*0.25+38.42/2)*0.5-1.63-2.37]/0.25=[151.16*0.25+38.42/2)*0.5-1.63-2.37]*4=(151.16*0.25*4+38.42/2*4)*0.5-(1.63+2.37)*4=(151.16+76.84)*0.5-4*4=228*0.5-16=114-16=98