0.0495×2500+49.5×2.4+51×4.95用简便方法计算
问题描述:
0.0495×2500+49.5×2.4+51×4.95用简便方法计算
答
0.0495*2500+49.5*2.4+51*4.95
=4.95*25+4.95*24+4.95*51
=4.95*(25+24+51)
=4.95*100
=495